Home / 3,716.73-5,123.12-2,521.35

Finding the Fourth Proportional to 3,716.73, 5,123.12 and 2,521.35

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Solution

The fourth proportional to 3,716.73, 5,123.12 and 2,521.35 is: 3,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.73 : 5,123.12 = 2,521.35 : x
  2. Step 2: Convert to fraction form
    3,716.73/5,123.12 = 2,521.35/x
  3. Step 3: Cross multiply
    3,716.73x = 5,123.12 × 2,521.35
  4. Step 4: Simplify right side
    3,716.73x = 12,917,166.01
  5. Step 5: Solve for x
    x = 12,917,166.01/3,716.73
  6. Step 6: Final answer
    x = 3,475.41

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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.