Home / 6,418.01-8,850.84-4,260.75

Finding the Fourth Proportional to 6,418.01, 8,850.84 and 4,260.75

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Solution

The fourth proportional to 6,418.01, 8,850.84 and 4,260.75 is: 5,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.01 : 8,850.84 = 4,260.75 : x
  2. Step 2: Convert to fraction form
    6,418.01/8,850.84 = 4,260.75/x
  3. Step 3: Cross multiply
    6,418.01x = 8,850.84 × 4,260.75
  4. Step 4: Simplify right side
    6,418.01x = 37,711,216.53
  5. Step 5: Solve for x
    x = 37,711,216.53/6,418.01
  6. Step 6: Final answer
    x = 5,875.85

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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.