Home / 6,280.60-8,668.14-3,627.46

Finding the Fourth Proportional to 6,280.60, 8,668.14 and 3,627.46

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Solution

The fourth proportional to 6,280.60, 8,668.14 and 3,627.46 is: 5,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.60 : 8,668.14 = 3,627.46 : x
  2. Step 2: Convert to fraction form
    6,280.60/8,668.14 = 3,627.46/x
  3. Step 3: Cross multiply
    6,280.60x = 8,668.14 × 3,627.46
  4. Step 4: Simplify right side
    6,280.60x = 31,443,331.12
  5. Step 5: Solve for x
    x = 31,443,331.12/6,280.60
  6. Step 6: Final answer
    x = 5,006.42

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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.