Home / 2,472.12-3,411.99-1,424.25

Finding the Fourth Proportional to 2,472.12, 3,411.99 and 1,424.25

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Solution

The fourth proportional to 2,472.12, 3,411.99 and 1,424.25 is: 1,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.12 : 3,411.99 = 1,424.25 : x
  2. Step 2: Convert to fraction form
    2,472.12/3,411.99 = 1,424.25/x
  3. Step 3: Cross multiply
    2,472.12x = 3,411.99 × 1,424.25
  4. Step 4: Simplify right side
    2,472.12x = 4,859,526.76
  5. Step 5: Solve for x
    x = 4,859,526.76/2,472.12
  6. Step 6: Final answer
    x = 1,965.73

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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.