Home / 7,372.85-11,061.99-3,426.05

Finding the Fourth Proportional to 7,372.85, 11,061.99 and 3,426.05

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Solution

The fourth proportional to 7,372.85, 11,061.99 and 3,426.05 is: 5,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.85 : 11,061.99 = 3,426.05 : x
  2. Step 2: Convert to fraction form
    7,372.85/11,061.99 = 3,426.05/x
  3. Step 3: Cross multiply
    7,372.85x = 11,061.99 × 3,426.05
  4. Step 4: Simplify right side
    7,372.85x = 37,898,875.53
  5. Step 5: Solve for x
    x = 37,898,875.53/7,372.85
  6. Step 6: Final answer
    x = 5,140.33

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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.