Home / 7,581.92-11,372.48-2,901.57

Finding the Fourth Proportional to 7,581.92, 11,372.48 and 2,901.57

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Solution

The fourth proportional to 7,581.92, 11,372.48 and 2,901.57 is: 4,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.92 : 11,372.48 = 2,901.57 : x
  2. Step 2: Convert to fraction form
    7,581.92/11,372.48 = 2,901.57/x
  3. Step 3: Cross multiply
    7,581.92x = 11,372.48 × 2,901.57
  4. Step 4: Simplify right side
    7,581.92x = 32,997,989.93
  5. Step 5: Solve for x
    x = 32,997,989.93/7,581.92
  6. Step 6: Final answer
    x = 4,352.20

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1.5x scale

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.