Home / 4,047.47-5,585.52-2,279.10

Finding the Fourth Proportional to 4,047.47, 5,585.52 and 2,279.10

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Solution

The fourth proportional to 4,047.47, 5,585.52 and 2,279.10 is: 3,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.47 : 5,585.52 = 2,279.10 : x
  2. Step 2: Convert to fraction form
    4,047.47/5,585.52 = 2,279.10/x
  3. Step 3: Cross multiply
    4,047.47x = 5,585.52 × 2,279.10
  4. Step 4: Simplify right side
    4,047.47x = 12,729,988.12
  5. Step 5: Solve for x
    x = 12,729,988.12/4,047.47
  6. Step 6: Final answer
    x = 3,145.17

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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.