Home / 5,274.06-7,278.03-2,915.88

Finding the Fourth Proportional to 5,274.06, 7,278.03 and 2,915.88

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Solution

The fourth proportional to 5,274.06, 7,278.03 and 2,915.88 is: 4,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.06 : 7,278.03 = 2,915.88 : x
  2. Step 2: Convert to fraction form
    5,274.06/7,278.03 = 2,915.88/x
  3. Step 3: Cross multiply
    5,274.06x = 7,278.03 × 2,915.88
  4. Step 4: Simplify right side
    5,274.06x = 21,221,862.12
  5. Step 5: Solve for x
    x = 21,221,862.12/5,274.06
  6. Step 6: Final answer
    x = 4,023.82

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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.