Home / 6,256.95-8,631.25-3,868.26

Finding the Fourth Proportional to 6,256.95, 8,631.25 and 3,868.26

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Solution

The fourth proportional to 6,256.95, 8,631.25 and 3,868.26 is: 5,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,256.95 : 8,631.25 = 3,868.26 : x
  2. Step 2: Convert to fraction form
    6,256.95/8,631.25 = 3,868.26/x
  3. Step 3: Cross multiply
    6,256.95x = 8,631.25 × 3,868.26
  4. Step 4: Simplify right side
    6,256.95x = 33,387,919.13
  5. Step 5: Solve for x
    x = 33,387,919.13/6,256.95
  6. Step 6: Final answer
    x = 5,336.13

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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.