Home / 4,989.58-6,884.19-3,222.19

Finding the Fourth Proportional to 4,989.58, 6,884.19 and 3,222.19

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Solution

The fourth proportional to 4,989.58, 6,884.19 and 3,222.19 is: 4,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.58 : 6,884.19 = 3,222.19 : x
  2. Step 2: Convert to fraction form
    4,989.58/6,884.19 = 3,222.19/x
  3. Step 3: Cross multiply
    4,989.58x = 6,884.19 × 3,222.19
  4. Step 4: Simplify right side
    4,989.58x = 22,182,168.18
  5. Step 5: Solve for x
    x = 22,182,168.18/4,989.58
  6. Step 6: Final answer
    x = 4,445.70

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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.