Home / 5,268.85-7,903.25-2,148.85

Finding the Fourth Proportional to 5,268.85, 7,903.25 and 2,148.85

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Solution

The fourth proportional to 5,268.85, 7,903.25 and 2,148.85 is: 3,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.85 : 7,903.25 = 2,148.85 : x
  2. Step 2: Convert to fraction form
    5,268.85/7,903.25 = 2,148.85/x
  3. Step 3: Cross multiply
    5,268.85x = 7,903.25 × 2,148.85
  4. Step 4: Simplify right side
    5,268.85x = 16,982,898.76
  5. Step 5: Solve for x
    x = 16,982,898.76/5,268.85
  6. Step 6: Final answer
    x = 3,223.26

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1.5x scale

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.