Home / 3,416.28-5,119.44-1,854.96

Finding the Fourth Proportional to 3,416.28, 5,119.44 and 1,854.96

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Solution

The fourth proportional to 3,416.28, 5,119.44 and 1,854.96 is: 2,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.28 : 5,119.44 = 1,854.96 : x
  2. Step 2: Convert to fraction form
    3,416.28/5,119.44 = 1,854.96/x
  3. Step 3: Cross multiply
    3,416.28x = 5,119.44 × 1,854.96
  4. Step 4: Simplify right side
    3,416.28x = 9,496,356.42
  5. Step 5: Solve for x
    x = 9,496,356.42/3,416.28
  6. Step 6: Final answer
    x = 2,779.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.