Home / 4,047.42-5,585.49-2,279.01

Finding the Fourth Proportional to 4,047.42, 5,585.49 and 2,279.01

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Solution

The fourth proportional to 4,047.42, 5,585.49 and 2,279.01 is: 3,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.42 : 5,585.49 = 2,279.01 : x
  2. Step 2: Convert to fraction form
    4,047.42/5,585.49 = 2,279.01/x
  3. Step 3: Cross multiply
    4,047.42x = 5,585.49 × 2,279.01
  4. Step 4: Simplify right side
    4,047.42x = 12,729,387.56
  5. Step 5: Solve for x
    x = 12,729,387.56/4,047.42
  6. Step 6: Final answer
    x = 3,145.06

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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.