Home / 1,573.29-2,171.75-1,049.13

Finding the Fourth Proportional to 1,573.29, 2,171.75 and 1,049.13

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Solution

The fourth proportional to 1,573.29, 2,171.75 and 1,049.13 is: 1,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.29 : 2,171.75 = 1,049.13 : x
  2. Step 2: Convert to fraction form
    1,573.29/2,171.75 = 1,049.13/x
  3. Step 3: Cross multiply
    1,573.29x = 2,171.75 × 1,049.13
  4. Step 4: Simplify right side
    1,573.29x = 2,278,442.83
  5. Step 5: Solve for x
    x = 2,278,442.83/1,573.29
  6. Step 6: Final answer
    x = 1,448.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.