Home / 5,250.64-7,245.57-3,126.33

Finding the Fourth Proportional to 5,250.64, 7,245.57 and 3,126.33

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Solution

The fourth proportional to 5,250.64, 7,245.57 and 3,126.33 is: 4,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.64 : 7,245.57 = 3,126.33 : x
  2. Step 2: Convert to fraction form
    5,250.64/7,245.57 = 3,126.33/x
  3. Step 3: Cross multiply
    5,250.64x = 7,245.57 × 3,126.33
  4. Step 4: Simplify right side
    5,250.64x = 22,652,042.86
  5. Step 5: Solve for x
    x = 22,652,042.86/5,250.64
  6. Step 6: Final answer
    x = 4,314.15

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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.