Home / 2,685.12-4,029.39-2,482.22

Finding the Fourth Proportional to 2,685.12, 4,029.39 and 2,482.22

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Solution

The fourth proportional to 2,685.12, 4,029.39 and 2,482.22 is: 3,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.12 : 4,029.39 = 2,482.22 : x
  2. Step 2: Convert to fraction form
    2,685.12/4,029.39 = 2,482.22/x
  3. Step 3: Cross multiply
    2,685.12x = 4,029.39 × 2,482.22
  4. Step 4: Simplify right side
    2,685.12x = 10,001,812.30
  5. Step 5: Solve for x
    x = 10,001,812.30/2,685.12
  6. Step 6: Final answer
    x = 3,724.90

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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.