Home / 3,132.48-4,689.76-2,104.64

Finding the Fourth Proportional to 3,132.48, 4,689.76 and 2,104.64

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Solution

The fourth proportional to 3,132.48, 4,689.76 and 2,104.64 is: 3,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.48 : 4,689.76 = 2,104.64 : x
  2. Step 2: Convert to fraction form
    3,132.48/4,689.76 = 2,104.64/x
  3. Step 3: Cross multiply
    3,132.48x = 4,689.76 × 2,104.64
  4. Step 4: Simplify right side
    3,132.48x = 9,870,256.49
  5. Step 5: Solve for x
    x = 9,870,256.49/3,132.48
  6. Step 6: Final answer
    x = 3,150.94

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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.