Home / 5,317.53-7,981.07-2,974.11

Finding the Fourth Proportional to 5,317.53, 7,981.07 and 2,974.11

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Solution

The fourth proportional to 5,317.53, 7,981.07 and 2,974.11 is: 4,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.53 : 7,981.07 = 2,974.11 : x
  2. Step 2: Convert to fraction form
    5,317.53/7,981.07 = 2,974.11/x
  3. Step 3: Cross multiply
    5,317.53x = 7,981.07 × 2,974.11
  4. Step 4: Simplify right side
    5,317.53x = 23,736,565.23
  5. Step 5: Solve for x
    x = 23,736,565.23/5,317.53
  6. Step 6: Final answer
    x = 4,463.83

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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.