Home / 5,281.57-7,282.60-3,951.01

Finding the Fourth Proportional to 5,281.57, 7,282.60 and 3,951.01

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Solution

The fourth proportional to 5,281.57, 7,282.60 and 3,951.01 is: 5,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.57 : 7,282.60 = 3,951.01 : x
  2. Step 2: Convert to fraction form
    5,281.57/7,282.60 = 3,951.01/x
  3. Step 3: Cross multiply
    5,281.57x = 7,282.60 × 3,951.01
  4. Step 4: Simplify right side
    5,281.57x = 28,773,625.43
  5. Step 5: Solve for x
    x = 28,773,625.43/5,281.57
  6. Step 6: Final answer
    x = 5,447.93

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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.