Home / 6,220.60-8,580.14-5,195.72

Finding the Fourth Proportional to 6,220.60, 8,580.14 and 5,195.72

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Solution

The fourth proportional to 6,220.60, 8,580.14 and 5,195.72 is: 7,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.60 : 8,580.14 = 5,195.72 : x
  2. Step 2: Convert to fraction form
    6,220.60/8,580.14 = 5,195.72/x
  3. Step 3: Cross multiply
    6,220.60x = 8,580.14 × 5,195.72
  4. Step 4: Simplify right side
    6,220.60x = 44,580,005.00
  5. Step 5: Solve for x
    x = 44,580,005.00/6,220.60
  6. Step 6: Final answer
    x = 7,166.51

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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.