Home / 4,151.84-5,729.28-2,288.88

Finding the Fourth Proportional to 4,151.84, 5,729.28 and 2,288.88

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Solution

The fourth proportional to 4,151.84, 5,729.28 and 2,288.88 is: 3,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.84 : 5,729.28 = 2,288.88 : x
  2. Step 2: Convert to fraction form
    4,151.84/5,729.28 = 2,288.88/x
  3. Step 3: Cross multiply
    4,151.84x = 5,729.28 × 2,288.88
  4. Step 4: Simplify right side
    4,151.84x = 13,113,634.41
  5. Step 5: Solve for x
    x = 13,113,634.41/4,151.84
  6. Step 6: Final answer
    x = 3,158.51

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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.