Home / 5,254.95-7,251.84-2,897.04

Finding the Fourth Proportional to 5,254.95, 7,251.84 and 2,897.04

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Solution

The fourth proportional to 5,254.95, 7,251.84 and 2,897.04 is: 3,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.95 : 7,251.84 = 2,897.04 : x
  2. Step 2: Convert to fraction form
    5,254.95/7,251.84 = 2,897.04/x
  3. Step 3: Cross multiply
    5,254.95x = 7,251.84 × 2,897.04
  4. Step 4: Simplify right side
    5,254.95x = 21,008,870.55
  5. Step 5: Solve for x
    x = 21,008,870.55/5,254.95
  6. Step 6: Final answer
    x = 3,997.92

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1.5x scale

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.