Home / 7,320.24-10,981.04-2,937.11

Finding the Fourth Proportional to 7,320.24, 10,981.04 and 2,937.11

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Solution

The fourth proportional to 7,320.24, 10,981.04 and 2,937.11 is: 4,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.24 : 10,981.04 = 2,937.11 : x
  2. Step 2: Convert to fraction form
    7,320.24/10,981.04 = 2,937.11/x
  3. Step 3: Cross multiply
    7,320.24x = 10,981.04 × 2,937.11
  4. Step 4: Simplify right side
    7,320.24x = 32,252,452.80
  5. Step 5: Solve for x
    x = 32,252,452.80/7,320.24
  6. Step 6: Final answer
    x = 4,405.93

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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.