Home / 2,472.24-3,412.08-1,686.48

Finding the Fourth Proportional to 2,472.24, 3,412.08 and 1,686.48

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Solution

The fourth proportional to 2,472.24, 3,412.08 and 1,686.48 is: 2,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.24 : 3,412.08 = 1,686.48 : x
  2. Step 2: Convert to fraction form
    2,472.24/3,412.08 = 1,686.48/x
  3. Step 3: Cross multiply
    2,472.24x = 3,412.08 × 1,686.48
  4. Step 4: Simplify right side
    2,472.24x = 5,754,404.68
  5. Step 5: Solve for x
    x = 5,754,404.68/2,472.24
  6. Step 6: Final answer
    x = 2,327.61

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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.