Home / 3,959.41-5,937.10-1,325.98

Finding the Fourth Proportional to 3,959.41, 5,937.10 and 1,325.98

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Solution

The fourth proportional to 3,959.41, 5,937.10 and 1,325.98 is: 1,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.41 : 5,937.10 = 1,325.98 : x
  2. Step 2: Convert to fraction form
    3,959.41/5,937.10 = 1,325.98/x
  3. Step 3: Cross multiply
    3,959.41x = 5,937.10 × 1,325.98
  4. Step 4: Simplify right side
    3,959.41x = 7,872,475.86
  5. Step 5: Solve for x
    x = 7,872,475.86/3,959.41
  6. Step 6: Final answer
    x = 1,988.30

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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.