Home / 1,323.26-1,825.88-1,124.90

Finding the Fourth Proportional to 1,323.26, 1,825.88 and 1,124.90

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Solution

The fourth proportional to 1,323.26, 1,825.88 and 1,124.90 is: 1,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.26 : 1,825.88 = 1,124.90 : x
  2. Step 2: Convert to fraction form
    1,323.26/1,825.88 = 1,124.90/x
  3. Step 3: Cross multiply
    1,323.26x = 1,825.88 × 1,124.90
  4. Step 4: Simplify right side
    1,323.26x = 2,053,932.41
  5. Step 5: Solve for x
    x = 2,053,932.41/1,323.26
  6. Step 6: Final answer
    x = 1,552.18

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1.5x scale

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.