Home / 4,123.66-5,690.97-2,355.82

Finding the Fourth Proportional to 4,123.66, 5,690.97 and 2,355.82

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Solution

The fourth proportional to 4,123.66, 5,690.97 and 2,355.82 is: 3,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.66 : 5,690.97 = 2,355.82 : x
  2. Step 2: Convert to fraction form
    4,123.66/5,690.97 = 2,355.82/x
  3. Step 3: Cross multiply
    4,123.66x = 5,690.97 × 2,355.82
  4. Step 4: Simplify right side
    4,123.66x = 13,406,900.95
  5. Step 5: Solve for x
    x = 13,406,900.95/4,123.66
  6. Step 6: Final answer
    x = 3,251.21

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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.