Home / 5,130.31-7,695.46-3,962.01

Finding the Fourth Proportional to 5,130.31, 7,695.46 and 3,962.01

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Solution

The fourth proportional to 5,130.31, 7,695.46 and 3,962.01 is: 5,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.31 : 7,695.46 = 3,962.01 : x
  2. Step 2: Convert to fraction form
    5,130.31/7,695.46 = 3,962.01/x
  3. Step 3: Cross multiply
    5,130.31x = 7,695.46 × 3,962.01
  4. Step 4: Simplify right side
    5,130.31x = 30,489,479.57
  5. Step 5: Solve for x
    x = 30,489,479.57/5,130.31
  6. Step 6: Final answer
    x = 5,943.01

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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.