Home / 6,388.75-8,816.88-3,594.25

Finding the Fourth Proportional to 6,388.75, 8,816.88 and 3,594.25

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Solution

The fourth proportional to 6,388.75, 8,816.88 and 3,594.25 is: 4,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.75 : 8,816.88 = 3,594.25 : x
  2. Step 2: Convert to fraction form
    6,388.75/8,816.88 = 3,594.25/x
  3. Step 3: Cross multiply
    6,388.75x = 8,816.88 × 3,594.25
  4. Step 4: Simplify right side
    6,388.75x = 31,690,070.94
  5. Step 5: Solve for x
    x = 31,690,070.94/6,388.75
  6. Step 6: Final answer
    x = 4,960.29

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Find fourth proportional to 3,194.38, 4,408.44 and 1,797.13
Half scale
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Double scale
Find fourth proportional to 6,389.75, 8,818.26 and 3,595.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.