Home / 5,575.89-7,688.39-4,564.38

Finding the Fourth Proportional to 5,575.89, 7,688.39 and 4,564.38

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Solution

The fourth proportional to 5,575.89, 7,688.39 and 4,564.38 is: 6,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.89 : 7,688.39 = 4,564.38 : x
  2. Step 2: Convert to fraction form
    5,575.89/7,688.39 = 4,564.38/x
  3. Step 3: Cross multiply
    5,575.89x = 7,688.39 × 4,564.38
  4. Step 4: Simplify right side
    5,575.89x = 35,092,710.73
  5. Step 5: Solve for x
    x = 35,092,710.73/5,575.89
  6. Step 6: Final answer
    x = 6,293.65

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Half 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.