Home / 4,115.31-6,169.28-1,517.64

Finding the Fourth Proportional to 4,115.31, 6,169.28 and 1,517.64

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Solution

The fourth proportional to 4,115.31, 6,169.28 and 1,517.64 is: 2,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.31 : 6,169.28 = 1,517.64 : x
  2. Step 2: Convert to fraction form
    4,115.31/6,169.28 = 1,517.64/x
  3. Step 3: Cross multiply
    4,115.31x = 6,169.28 × 1,517.64
  4. Step 4: Simplify right side
    4,115.31x = 9,362,738.51
  5. Step 5: Solve for x
    x = 9,362,738.51/4,115.31
  6. Step 6: Final answer
    x = 2,275.10

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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.