Home / 6,143.25-8,477.70-3,348.75

Finding the Fourth Proportional to 6,143.25, 8,477.70 and 3,348.75

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Solution

The fourth proportional to 6,143.25, 8,477.70 and 3,348.75 is: 4,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.25 : 8,477.70 = 3,348.75 : x
  2. Step 2: Convert to fraction form
    6,143.25/8,477.70 = 3,348.75/x
  3. Step 3: Cross multiply
    6,143.25x = 8,477.70 × 3,348.75
  4. Step 4: Simplify right side
    6,143.25x = 28,389,697.88
  5. Step 5: Solve for x
    x = 28,389,697.88/6,143.25
  6. Step 6: Final answer
    x = 4,621.28

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Half scale
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Double scale
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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.