Home / 3,412.65-4,711.47-2,217.99

Finding the Fourth Proportional to 3,412.65, 4,711.47 and 2,217.99

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Solution

The fourth proportional to 3,412.65, 4,711.47 and 2,217.99 is: 3,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.65 : 4,711.47 = 2,217.99 : x
  2. Step 2: Convert to fraction form
    3,412.65/4,711.47 = 2,217.99/x
  3. Step 3: Cross multiply
    3,412.65x = 4,711.47 × 2,217.99
  4. Step 4: Simplify right side
    3,412.65x = 10,449,993.35
  5. Step 5: Solve for x
    x = 10,449,993.35/3,412.65
  6. Step 6: Final answer
    x = 3,062.13

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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.