Home / 1,225.16-1,838.30-532.04

Finding the Fourth Proportional to 1,225.16, 1,838.30 and 532.04

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Solution

The fourth proportional to 1,225.16, 1,838.30 and 532.04 is: 798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.16 : 1,838.30 = 532.04 : x
  2. Step 2: Convert to fraction form
    1,225.16/1,838.30 = 532.04/x
  3. Step 3: Cross multiply
    1,225.16x = 1,838.30 × 532.04
  4. Step 4: Simplify right side
    1,225.16x = 978,049.13
  5. Step 5: Solve for x
    x = 978,049.13/1,225.16
  6. Step 6: Final answer
    x = 798.30

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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.