Home / 3,176.16-4,382.09-2,057.96

Finding the Fourth Proportional to 3,176.16, 4,382.09 and 2,057.96

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Solution

The fourth proportional to 3,176.16, 4,382.09 and 2,057.96 is: 2,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.16 : 4,382.09 = 2,057.96 : x
  2. Step 2: Convert to fraction form
    3,176.16/4,382.09 = 2,057.96/x
  3. Step 3: Cross multiply
    3,176.16x = 4,382.09 × 2,057.96
  4. Step 4: Simplify right side
    3,176.16x = 9,018,133.74
  5. Step 5: Solve for x
    x = 9,018,133.74/3,176.16
  6. Step 6: Final answer
    x = 2,839.32

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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.