Home / 4,047.74-5,585.82-2,279.38

Finding the Fourth Proportional to 4,047.74, 5,585.82 and 2,279.38

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Solution

The fourth proportional to 4,047.74, 5,585.82 and 2,279.38 is: 3,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.74 : 5,585.82 = 2,279.38 : x
  2. Step 2: Convert to fraction form
    4,047.74/5,585.82 = 2,279.38/x
  3. Step 3: Cross multiply
    4,047.74x = 5,585.82 × 2,279.38
  4. Step 4: Simplify right side
    4,047.74x = 12,732,206.39
  5. Step 5: Solve for x
    x = 12,732,206.39/4,047.74
  6. Step 6: Final answer
    x = 3,145.51

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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.