Home / 5,981.04-8,972.52-2,518.80

Finding the Fourth Proportional to 5,981.04, 8,972.52 and 2,518.80

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Solution

The fourth proportional to 5,981.04, 8,972.52 and 2,518.80 is: 3,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.04 : 8,972.52 = 2,518.80 : x
  2. Step 2: Convert to fraction form
    5,981.04/8,972.52 = 2,518.80/x
  3. Step 3: Cross multiply
    5,981.04x = 8,972.52 × 2,518.80
  4. Step 4: Simplify right side
    5,981.04x = 22,599,983.38
  5. Step 5: Solve for x
    x = 22,599,983.38/5,981.04
  6. Step 6: Final answer
    x = 3,778.60

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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.