Home / 5,740.17-7,920.50-3,381.99

Finding the Fourth Proportional to 5,740.17, 7,920.50 and 3,381.99

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Solution

The fourth proportional to 5,740.17, 7,920.50 and 3,381.99 is: 4,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.17 : 7,920.50 = 3,381.99 : x
  2. Step 2: Convert to fraction form
    5,740.17/7,920.50 = 3,381.99/x
  3. Step 3: Cross multiply
    5,740.17x = 7,920.50 × 3,381.99
  4. Step 4: Simplify right side
    5,740.17x = 26,787,034.89
  5. Step 5: Solve for x
    x = 26,787,034.89/5,740.17
  6. Step 6: Final answer
    x = 4,666.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.