Home / 3,854.96-5,318.10-2,456.84

Finding the Fourth Proportional to 3,854.96, 5,318.10 and 2,456.84

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Solution

The fourth proportional to 3,854.96, 5,318.10 and 2,456.84 is: 3,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.96 : 5,318.10 = 2,456.84 : x
  2. Step 2: Convert to fraction form
    3,854.96/5,318.10 = 2,456.84/x
  3. Step 3: Cross multiply
    3,854.96x = 5,318.10 × 2,456.84
  4. Step 4: Simplify right side
    3,854.96x = 13,065,720.80
  5. Step 5: Solve for x
    x = 13,065,720.80/3,854.96
  6. Step 6: Final answer
    x = 3,389.33

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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.