Home / 4,437.28-6,123.12-2,447.84

Finding the Fourth Proportional to 4,437.28, 6,123.12 and 2,447.84

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Solution

The fourth proportional to 4,437.28, 6,123.12 and 2,447.84 is: 3,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.28 : 6,123.12 = 2,447.84 : x
  2. Step 2: Convert to fraction form
    4,437.28/6,123.12 = 2,447.84/x
  3. Step 3: Cross multiply
    4,437.28x = 6,123.12 × 2,447.84
  4. Step 4: Simplify right side
    4,437.28x = 14,988,418.06
  5. Step 5: Solve for x
    x = 14,988,418.06/4,437.28
  6. Step 6: Final answer
    x = 3,377.84

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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.