Home / 2,472.12-3,410.70-1,540.56

Finding the Fourth Proportional to 2,472.12, 3,410.70 and 1,540.56

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Solution

The fourth proportional to 2,472.12, 3,410.70 and 1,540.56 is: 2,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.12 : 3,410.70 = 1,540.56 : x
  2. Step 2: Convert to fraction form
    2,472.12/3,410.70 = 1,540.56/x
  3. Step 3: Cross multiply
    2,472.12x = 3,410.70 × 1,540.56
  4. Step 4: Simplify right side
    2,472.12x = 5,254,387.99
  5. Step 5: Solve for x
    x = 5,254,387.99/2,472.12
  6. Step 6: Final answer
    x = 2,125.46

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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.