Home / 7,454.25-10,286.87-4,310.64

Finding the Fourth Proportional to 7,454.25, 10,286.87 and 4,310.64

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Solution

The fourth proportional to 7,454.25, 10,286.87 and 4,310.64 is: 5,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.25 : 10,286.87 = 4,310.64 : x
  2. Step 2: Convert to fraction form
    7,454.25/10,286.87 = 4,310.64/x
  3. Step 3: Cross multiply
    7,454.25x = 10,286.87 × 4,310.64
  4. Step 4: Simplify right side
    7,454.25x = 44,342,971.74
  5. Step 5: Solve for x
    x = 44,342,971.74/7,454.25
  6. Step 6: Final answer
    x = 5,948.68

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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.