Home / 5,232.41-7,220.78-2,874.60

Finding the Fourth Proportional to 5,232.41, 7,220.78 and 2,874.60

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Solution

The fourth proportional to 5,232.41, 7,220.78 and 2,874.60 is: 3,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.41 : 7,220.78 = 2,874.60 : x
  2. Step 2: Convert to fraction form
    5,232.41/7,220.78 = 2,874.60/x
  3. Step 3: Cross multiply
    5,232.41x = 7,220.78 × 2,874.60
  4. Step 4: Simplify right side
    5,232.41x = 20,756,854.19
  5. Step 5: Solve for x
    x = 20,756,854.19/5,232.41
  6. Step 6: Final answer
    x = 3,966.98

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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.