Home / 3,132.52-4,342.66-2,966.07

Finding the Fourth Proportional to 3,132.52, 4,342.66 and 2,966.07

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Solution

The fourth proportional to 3,132.52, 4,342.66 and 2,966.07 is: 4,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.52 : 4,342.66 = 2,966.07 : x
  2. Step 2: Convert to fraction form
    3,132.52/4,342.66 = 2,966.07/x
  3. Step 3: Cross multiply
    3,132.52x = 4,342.66 × 2,966.07
  4. Step 4: Simplify right side
    3,132.52x = 12,880,633.55
  5. Step 5: Solve for x
    x = 12,880,633.55/3,132.52
  6. Step 6: Final answer
    x = 4,111.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.