Home / 5,613.95-7,747.78-3,224.26

Finding the Fourth Proportional to 5,613.95, 7,747.78 and 3,224.26

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Solution

The fourth proportional to 5,613.95, 7,747.78 and 3,224.26 is: 4,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.95 : 7,747.78 = 3,224.26 : x
  2. Step 2: Convert to fraction form
    5,613.95/7,747.78 = 3,224.26/x
  3. Step 3: Cross multiply
    5,613.95x = 7,747.78 × 3,224.26
  4. Step 4: Simplify right side
    5,613.95x = 24,980,829.71
  5. Step 5: Solve for x
    x = 24,980,829.71/5,613.95
  6. Step 6: Final answer
    x = 4,449.78

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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.