Home / 2,429.47-3,644.45-1,042.95

Finding the Fourth Proportional to 2,429.47, 3,644.45 and 1,042.95

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Solution

The fourth proportional to 2,429.47, 3,644.45 and 1,042.95 is: 1,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.47 : 3,644.45 = 1,042.95 : x
  2. Step 2: Convert to fraction form
    2,429.47/3,644.45 = 1,042.95/x
  3. Step 3: Cross multiply
    2,429.47x = 3,644.45 × 1,042.95
  4. Step 4: Simplify right side
    2,429.47x = 3,800,979.13
  5. Step 5: Solve for x
    x = 3,800,979.13/2,429.47
  6. Step 6: Final answer
    x = 1,564.53

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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.