Home / 4,047.42-5,585.50-2,279.02

Finding the Fourth Proportional to 4,047.42, 5,585.50 and 2,279.02

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Solution

The fourth proportional to 4,047.42, 5,585.50 and 2,279.02 is: 3,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.42 : 5,585.50 = 2,279.02 : x
  2. Step 2: Convert to fraction form
    4,047.42/5,585.50 = 2,279.02/x
  3. Step 3: Cross multiply
    4,047.42x = 5,585.50 × 2,279.02
  4. Step 4: Simplify right side
    4,047.42x = 12,729,466.21
  5. Step 5: Solve for x
    x = 12,729,466.21/4,047.42
  6. Step 6: Final answer
    x = 3,145.08

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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.