Home / 5,568.48-7,681.82-3,680.80

Finding the Fourth Proportional to 5,568.48, 7,681.82 and 3,680.80

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Solution

The fourth proportional to 5,568.48, 7,681.82 and 3,680.80 is: 5,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.48 : 7,681.82 = 3,680.80 : x
  2. Step 2: Convert to fraction form
    5,568.48/7,681.82 = 3,680.80/x
  3. Step 3: Cross multiply
    5,568.48x = 7,681.82 × 3,680.80
  4. Step 4: Simplify right side
    5,568.48x = 28,275,243.06
  5. Step 5: Solve for x
    x = 28,275,243.06/5,568.48
  6. Step 6: Final answer
    x = 5,077.73

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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.