Home / 6,220.71-8,572.77-4,449.24

Finding the Fourth Proportional to 6,220.71, 8,572.77 and 4,449.24

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Solution

The fourth proportional to 6,220.71, 8,572.77 and 4,449.24 is: 6,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.71 : 8,572.77 = 4,449.24 : x
  2. Step 2: Convert to fraction form
    6,220.71/8,572.77 = 4,449.24/x
  3. Step 3: Cross multiply
    6,220.71x = 8,572.77 × 4,449.24
  4. Step 4: Simplify right side
    6,220.71x = 38,142,311.19
  5. Step 5: Solve for x
    x = 38,142,311.19/6,220.71
  6. Step 6: Final answer
    x = 6,131.50

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Half scale
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Double scale
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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.