Home / 3,569.13-4,926.72-2,687.49

Finding the Fourth Proportional to 3,569.13, 4,926.72 and 2,687.49

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Solution

The fourth proportional to 3,569.13, 4,926.72 and 2,687.49 is: 3,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.13 : 4,926.72 = 2,687.49 : x
  2. Step 2: Convert to fraction form
    3,569.13/4,926.72 = 2,687.49/x
  3. Step 3: Cross multiply
    3,569.13x = 4,926.72 × 2,687.49
  4. Step 4: Simplify right side
    3,569.13x = 13,240,510.73
  5. Step 5: Solve for x
    x = 13,240,510.73/3,569.13
  6. Step 6: Final answer
    x = 3,709.73

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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.