Home / 3,157.98-4,729.28-2,377.14

Finding the Fourth Proportional to 3,157.98, 4,729.28 and 2,377.14

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Solution

The fourth proportional to 3,157.98, 4,729.28 and 2,377.14 is: 3,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.98 : 4,729.28 = 2,377.14 : x
  2. Step 2: Convert to fraction form
    3,157.98/4,729.28 = 2,377.14/x
  3. Step 3: Cross multiply
    3,157.98x = 4,729.28 × 2,377.14
  4. Step 4: Simplify right side
    3,157.98x = 11,242,148.77
  5. Step 5: Solve for x
    x = 11,242,148.77/3,157.98
  6. Step 6: Final answer
    x = 3,559.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.