Home / 3,311.96-4,568.40-2,471.76

Finding the Fourth Proportional to 3,311.96, 4,568.40 and 2,471.76

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Solution

The fourth proportional to 3,311.96, 4,568.40 and 2,471.76 is: 3,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.96 : 4,568.40 = 2,471.76 : x
  2. Step 2: Convert to fraction form
    3,311.96/4,568.40 = 2,471.76/x
  3. Step 3: Cross multiply
    3,311.96x = 4,568.40 × 2,471.76
  4. Step 4: Simplify right side
    3,311.96x = 11,291,988.38
  5. Step 5: Solve for x
    x = 11,291,988.38/3,311.96
  6. Step 6: Final answer
    x = 3,409.46

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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.