Home / 5,250.20-7,876.65-1,963.32

Finding the Fourth Proportional to 5,250.20, 7,876.65 and 1,963.32

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Solution

The fourth proportional to 5,250.20, 7,876.65 and 1,963.32 is: 2,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.20 : 7,876.65 = 1,963.32 : x
  2. Step 2: Convert to fraction form
    5,250.20/7,876.65 = 1,963.32/x
  3. Step 3: Cross multiply
    5,250.20x = 7,876.65 × 1,963.32
  4. Step 4: Simplify right side
    5,250.20x = 15,464,384.48
  5. Step 5: Solve for x
    x = 15,464,384.48/5,250.20
  6. Step 6: Final answer
    x = 2,945.48

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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.