Home / 4,118.31-6,176.16-2,169.45

Finding the Fourth Proportional to 4,118.31, 6,176.16 and 2,169.45

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Solution

The fourth proportional to 4,118.31, 6,176.16 and 2,169.45 is: 3,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.31 : 6,176.16 = 2,169.45 : x
  2. Step 2: Convert to fraction form
    4,118.31/6,176.16 = 2,169.45/x
  3. Step 3: Cross multiply
    4,118.31x = 6,176.16 × 2,169.45
  4. Step 4: Simplify right side
    4,118.31x = 13,398,870.31
  5. Step 5: Solve for x
    x = 13,398,870.31/4,118.31
  6. Step 6: Final answer
    x = 3,253.49

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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.