Home / 3,222.08-4,445.28-1,894.96

Finding the Fourth Proportional to 3,222.08, 4,445.28 and 1,894.96

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Solution

The fourth proportional to 3,222.08, 4,445.28 and 1,894.96 is: 2,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.08 : 4,445.28 = 1,894.96 : x
  2. Step 2: Convert to fraction form
    3,222.08/4,445.28 = 1,894.96/x
  3. Step 3: Cross multiply
    3,222.08x = 4,445.28 × 1,894.96
  4. Step 4: Simplify right side
    3,222.08x = 8,423,627.79
  5. Step 5: Solve for x
    x = 8,423,627.79/3,222.08
  6. Step 6: Final answer
    x = 2,614.34

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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.