Home / 7,720.33-10,654.28-4,363.29

Finding the Fourth Proportional to 7,720.33, 10,654.28 and 4,363.29

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Solution

The fourth proportional to 7,720.33, 10,654.28 and 4,363.29 is: 6,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.33 : 10,654.28 = 4,363.29 : x
  2. Step 2: Convert to fraction form
    7,720.33/10,654.28 = 4,363.29/x
  3. Step 3: Cross multiply
    7,720.33x = 10,654.28 × 4,363.29
  4. Step 4: Simplify right side
    7,720.33x = 46,487,713.38
  5. Step 5: Solve for x
    x = 46,487,713.38/7,720.33
  6. Step 6: Final answer
    x = 6,021.47

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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.