Home / 7,251.26-10,875.45-3,551.90

Finding the Fourth Proportional to 7,251.26, 10,875.45 and 3,551.90

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Solution

The fourth proportional to 7,251.26, 10,875.45 and 3,551.90 is: 5,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.26 : 10,875.45 = 3,551.90 : x
  2. Step 2: Convert to fraction form
    7,251.26/10,875.45 = 3,551.90/x
  3. Step 3: Cross multiply
    7,251.26x = 10,875.45 × 3,551.90
  4. Step 4: Simplify right side
    7,251.26x = 38,628,510.86
  5. Step 5: Solve for x
    x = 38,628,510.86/7,251.26
  6. Step 6: Final answer
    x = 5,327.14

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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.