Home / 3,117.56-4,672.23-1,474.57

Finding the Fourth Proportional to 3,117.56, 4,672.23 and 1,474.57

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Solution

The fourth proportional to 3,117.56, 4,672.23 and 1,474.57 is: 2,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.56 : 4,672.23 = 1,474.57 : x
  2. Step 2: Convert to fraction form
    3,117.56/4,672.23 = 1,474.57/x
  3. Step 3: Cross multiply
    3,117.56x = 4,672.23 × 1,474.57
  4. Step 4: Simplify right side
    3,117.56x = 6,889,538.80
  5. Step 5: Solve for x
    x = 6,889,538.80/3,117.56
  6. Step 6: Final answer
    x = 2,209.92

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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.