Home / 4,173.92-5,760.40-2,311.52

Finding the Fourth Proportional to 4,173.92, 5,760.40 and 2,311.52

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Solution

The fourth proportional to 4,173.92, 5,760.40 and 2,311.52 is: 3,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.92 : 5,760.40 = 2,311.52 : x
  2. Step 2: Convert to fraction form
    4,173.92/5,760.40 = 2,311.52/x
  3. Step 3: Cross multiply
    4,173.92x = 5,760.40 × 2,311.52
  4. Step 4: Simplify right side
    4,173.92x = 13,315,279.81
  5. Step 5: Solve for x
    x = 13,315,279.81/4,173.92
  6. Step 6: Final answer
    x = 3,190.11

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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.