Home / 6,114.28-8,435.68-4,225.18

Finding the Fourth Proportional to 6,114.28, 8,435.68 and 4,225.18

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Solution

The fourth proportional to 6,114.28, 8,435.68 and 4,225.18 is: 5,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.28 : 8,435.68 = 4,225.18 : x
  2. Step 2: Convert to fraction form
    6,114.28/8,435.68 = 4,225.18/x
  3. Step 3: Cross multiply
    6,114.28x = 8,435.68 × 4,225.18
  4. Step 4: Simplify right side
    6,114.28x = 35,642,250.59
  5. Step 5: Solve for x
    x = 35,642,250.59/6,114.28
  6. Step 6: Final answer
    x = 5,829.35

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Half scale
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Double scale
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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.