Home / 1,172.27-1,753.23-1,043.18

Finding the Fourth Proportional to 1,172.27, 1,753.23 and 1,043.18

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Solution

The fourth proportional to 1,172.27, 1,753.23 and 1,043.18 is: 1,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172.27 : 1,753.23 = 1,043.18 : x
  2. Step 2: Convert to fraction form
    1,172.27/1,753.23 = 1,043.18/x
  3. Step 3: Cross multiply
    1,172.27x = 1,753.23 × 1,043.18
  4. Step 4: Simplify right side
    1,172.27x = 1,828,934.47
  5. Step 5: Solve for x
    x = 1,828,934.47/1,172.27
  6. Step 6: Final answer
    x = 1,560.16

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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.