Home / 2,362.14-3,542.15-718.40

Finding the Fourth Proportional to 2,362.14, 3,542.15 and 718.40

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Solution

The fourth proportional to 2,362.14, 3,542.15 and 718.40 is: 1,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.14 : 3,542.15 = 718.40 : x
  2. Step 2: Convert to fraction form
    2,362.14/3,542.15 = 718.40/x
  3. Step 3: Cross multiply
    2,362.14x = 3,542.15 × 718.40
  4. Step 4: Simplify right side
    2,362.14x = 2,544,691.21
  5. Step 5: Solve for x
    x = 2,544,691.21/2,362.14
  6. Step 6: Final answer
    x = 1,077.28

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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.