Home / 3,412.66-4,707.86-2,217.56

Finding the Fourth Proportional to 3,412.66, 4,707.86 and 2,217.56

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Solution

The fourth proportional to 3,412.66, 4,707.86 and 2,217.56 is: 3,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.66 : 4,707.86 = 2,217.56 : x
  2. Step 2: Convert to fraction form
    3,412.66/4,707.86 = 2,217.56/x
  3. Step 3: Cross multiply
    3,412.66x = 4,707.86 × 2,217.56
  4. Step 4: Simplify right side
    3,412.66x = 10,439,962.02
  5. Step 5: Solve for x
    x = 10,439,962.02/3,412.66
  6. Step 6: Final answer
    x = 3,059.19

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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.