Home / 10,525.62-15,791.04-3,130.07

Finding the Fourth Proportional to 10,525.62, 15,791.04 and 3,130.07

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Solution

The fourth proportional to 10,525.62, 15,791.04 and 3,130.07 is: 4,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.62 : 15,791.04 = 3,130.07 : x
  2. Step 2: Convert to fraction form
    10,525.62/15,791.04 = 3,130.07/x
  3. Step 3: Cross multiply
    10,525.62x = 15,791.04 × 3,130.07
  4. Step 4: Simplify right side
    10,525.62x = 49,426,981.62
  5. Step 5: Solve for x
    x = 49,426,981.62/10,525.62
  6. Step 6: Final answer
    x = 4,695.87

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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.