Home / 5,320.61-7,968.14-2,974.85

Finding the Fourth Proportional to 5,320.61, 7,968.14 and 2,974.85

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Solution

The fourth proportional to 5,320.61, 7,968.14 and 2,974.85 is: 4,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.61 : 7,968.14 = 2,974.85 : x
  2. Step 2: Convert to fraction form
    5,320.61/7,968.14 = 2,974.85/x
  3. Step 3: Cross multiply
    5,320.61x = 7,968.14 × 2,974.85
  4. Step 4: Simplify right side
    5,320.61x = 23,704,006.40
  5. Step 5: Solve for x
    x = 23,704,006.40/5,320.61
  6. Step 6: Final answer
    x = 4,455.13

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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.