Home / 1,124.18-1,693.34-1,022.12

Finding the Fourth Proportional to 1,124.18, 1,693.34 and 1,022.12

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Solution

The fourth proportional to 1,124.18, 1,693.34 and 1,022.12 is: 1,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.18 : 1,693.34 = 1,022.12 : x
  2. Step 2: Convert to fraction form
    1,124.18/1,693.34 = 1,022.12/x
  3. Step 3: Cross multiply
    1,124.18x = 1,693.34 × 1,022.12
  4. Step 4: Simplify right side
    1,124.18x = 1,730,796.68
  5. Step 5: Solve for x
    x = 1,730,796.68/1,124.18
  6. Step 6: Final answer
    x = 1,539.61

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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.