Home / 5,197.46-7,172.15-2,959.56

Finding the Fourth Proportional to 5,197.46, 7,172.15 and 2,959.56

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Solution

The fourth proportional to 5,197.46, 7,172.15 and 2,959.56 is: 4,084.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.46 : 7,172.15 = 2,959.56 : x
  2. Step 2: Convert to fraction form
    5,197.46/7,172.15 = 2,959.56/x
  3. Step 3: Cross multiply
    5,197.46x = 7,172.15 × 2,959.56
  4. Step 4: Simplify right side
    5,197.46x = 21,226,393.46
  5. Step 5: Solve for x
    x = 21,226,393.46/5,197.46
  6. Step 6: Final answer
    x = 4,084.00

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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.