Home / 4,047.87-5,586.06-2,279.44

Finding the Fourth Proportional to 4,047.87, 5,586.06 and 2,279.44

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Solution

The fourth proportional to 4,047.87, 5,586.06 and 2,279.44 is: 3,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.87 : 5,586.06 = 2,279.44 : x
  2. Step 2: Convert to fraction form
    4,047.87/5,586.06 = 2,279.44/x
  3. Step 3: Cross multiply
    4,047.87x = 5,586.06 × 2,279.44
  4. Step 4: Simplify right side
    4,047.87x = 12,733,088.61
  5. Step 5: Solve for x
    x = 12,733,088.61/4,047.87
  6. Step 6: Final answer
    x = 3,145.63

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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.