Home / 4,047.96-5,586.29-2,279.43

Finding the Fourth Proportional to 4,047.96, 5,586.29 and 2,279.43

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Solution

The fourth proportional to 4,047.96, 5,586.29 and 2,279.43 is: 3,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.96 : 5,586.29 = 2,279.43 : x
  2. Step 2: Convert to fraction form
    4,047.96/5,586.29 = 2,279.43/x
  3. Step 3: Cross multiply
    4,047.96x = 5,586.29 × 2,279.43
  4. Step 4: Simplify right side
    4,047.96x = 12,733,557.01
  5. Step 5: Solve for x
    x = 12,733,557.01/4,047.96
  6. Step 6: Final answer
    x = 3,145.67

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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.