Home / 5,590.92-7,715.28-3,603.48

Finding the Fourth Proportional to 5,590.92, 7,715.28 and 3,603.48

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Solution

The fourth proportional to 5,590.92, 7,715.28 and 3,603.48 is: 4,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.92 : 7,715.28 = 3,603.48 : x
  2. Step 2: Convert to fraction form
    5,590.92/7,715.28 = 3,603.48/x
  3. Step 3: Cross multiply
    5,590.92x = 7,715.28 × 3,603.48
  4. Step 4: Simplify right side
    5,590.92x = 27,801,857.17
  5. Step 5: Solve for x
    x = 27,801,857.17/5,590.92
  6. Step 6: Final answer
    x = 4,972.68

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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.