Home / 6,220.59-8,580.34-3,862.57

Finding the Fourth Proportional to 6,220.59, 8,580.34 and 3,862.57

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Solution

The fourth proportional to 6,220.59, 8,580.34 and 3,862.57 is: 5,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.59 : 8,580.34 = 3,862.57 : x
  2. Step 2: Convert to fraction form
    6,220.59/8,580.34 = 3,862.57/x
  3. Step 3: Cross multiply
    6,220.59x = 8,580.34 × 3,862.57
  4. Step 4: Simplify right side
    6,220.59x = 33,142,163.87
  5. Step 5: Solve for x
    x = 33,142,163.87/6,220.59
  6. Step 6: Final answer
    x = 5,327.82

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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.