Home / 1,568.97-2,160.25-1,332.43

Finding the Fourth Proportional to 1,568.97, 2,160.25 and 1,332.43

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Solution

The fourth proportional to 1,568.97, 2,160.25 and 1,332.43 is: 1,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.97 : 2,160.25 = 1,332.43 : x
  2. Step 2: Convert to fraction form
    1,568.97/2,160.25 = 1,332.43/x
  3. Step 3: Cross multiply
    1,568.97x = 2,160.25 × 1,332.43
  4. Step 4: Simplify right side
    1,568.97x = 2,878,373.18
  5. Step 5: Solve for x
    x = 2,878,373.18/1,568.97
  6. Step 6: Final answer
    x = 1,834.56

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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.