Home / 5,568.70-8,350.60-1,672.20

Finding the Fourth Proportional to 5,568.70, 8,350.60 and 1,672.20

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Solution

The fourth proportional to 5,568.70, 8,350.60 and 1,672.20 is: 2,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.70 : 8,350.60 = 1,672.20 : x
  2. Step 2: Convert to fraction form
    5,568.70/8,350.60 = 1,672.20/x
  3. Step 3: Cross multiply
    5,568.70x = 8,350.60 × 1,672.20
  4. Step 4: Simplify right side
    5,568.70x = 13,963,873.32
  5. Step 5: Solve for x
    x = 13,963,873.32/5,568.70
  6. Step 6: Final answer
    x = 2,507.56

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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.