Home / 4,047.71-5,586.02-2,279.43

Finding the Fourth Proportional to 4,047.71, 5,586.02 and 2,279.43

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Solution

The fourth proportional to 4,047.71, 5,586.02 and 2,279.43 is: 3,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.71 : 5,586.02 = 2,279.43 : x
  2. Step 2: Convert to fraction form
    4,047.71/5,586.02 = 2,279.43/x
  3. Step 3: Cross multiply
    4,047.71x = 5,586.02 × 2,279.43
  4. Step 4: Simplify right side
    4,047.71x = 12,732,938.72
  5. Step 5: Solve for x
    x = 12,732,938.72/4,047.71
  6. Step 6: Final answer
    x = 3,145.72

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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.