Home / 2,362.20-3,538.48-1,125.87

Finding the Fourth Proportional to 2,362.20, 3,538.48 and 1,125.87

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Solution

The fourth proportional to 2,362.20, 3,538.48 and 1,125.87 is: 1,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.20 : 3,538.48 = 1,125.87 : x
  2. Step 2: Convert to fraction form
    2,362.20/3,538.48 = 1,125.87/x
  3. Step 3: Cross multiply
    2,362.20x = 3,538.48 × 1,125.87
  4. Step 4: Simplify right side
    2,362.20x = 3,983,868.48
  5. Step 5: Solve for x
    x = 3,983,868.48/2,362.20
  6. Step 6: Final answer
    x = 1,686.51

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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.