Home / 7,925.25-11,890.68-3,712.26

Finding the Fourth Proportional to 7,925.25, 11,890.68 and 3,712.26

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Solution

The fourth proportional to 7,925.25, 11,890.68 and 3,712.26 is: 5,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.25 : 11,890.68 = 3,712.26 : x
  2. Step 2: Convert to fraction form
    7,925.25/11,890.68 = 3,712.26/x
  3. Step 3: Cross multiply
    7,925.25x = 11,890.68 × 3,712.26
  4. Step 4: Simplify right side
    7,925.25x = 44,141,295.74
  5. Step 5: Solve for x
    x = 44,141,295.74/7,925.25
  6. Step 6: Final answer
    x = 5,569.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.