Home / 10,572.28-15,854.34-3,175

Finding the Fourth Proportional to 10,572.28, 15,854.34 and 3,175

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Solution

The fourth proportional to 10,572.28, 15,854.34 and 3,175 is: 4,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.28 : 15,854.34 = 3,175 : x
  2. Step 2: Convert to fraction form
    10,572.28/15,854.34 = 3,175/x
  3. Step 3: Cross multiply
    10,572.28x = 15,854.34 × 3,175
  4. Step 4: Simplify right side
    10,572.28x = 50,337,529.50
  5. Step 5: Solve for x
    x = 50,337,529.50/10,572.28
  6. Step 6: Final answer
    x = 4,761.27

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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.