Home / 5,271.32-7,275.27-3,146.96

Finding the Fourth Proportional to 5,271.32, 7,275.27 and 3,146.96

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Solution

The fourth proportional to 5,271.32, 7,275.27 and 3,146.96 is: 4,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.32 : 7,275.27 = 3,146.96 : x
  2. Step 2: Convert to fraction form
    5,271.32/7,275.27 = 3,146.96/x
  3. Step 3: Cross multiply
    5,271.32x = 7,275.27 × 3,146.96
  4. Step 4: Simplify right side
    5,271.32x = 22,894,983.68
  5. Step 5: Solve for x
    x = 22,894,983.68/5,271.32
  6. Step 6: Final answer
    x = 4,343.31

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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.