Home / 1,126.18-1,696.36-1,024.12

Finding the Fourth Proportional to 1,126.18, 1,696.36 and 1,024.12

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Solution

The fourth proportional to 1,126.18, 1,696.36 and 1,024.12 is: 1,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.18 : 1,696.36 = 1,024.12 : x
  2. Step 2: Convert to fraction form
    1,126.18/1,696.36 = 1,024.12/x
  3. Step 3: Cross multiply
    1,126.18x = 1,696.36 × 1,024.12
  4. Step 4: Simplify right side
    1,126.18x = 1,737,276.20
  5. Step 5: Solve for x
    x = 1,737,276.20/1,126.18
  6. Step 6: Final answer
    x = 1,542.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.