Home / 4,043.16-5,578.92-2,274.42

Finding the Fourth Proportional to 4,043.16, 5,578.92 and 2,274.42

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Solution

The fourth proportional to 4,043.16, 5,578.92 and 2,274.42 is: 3,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.16 : 5,578.92 = 2,274.42 : x
  2. Step 2: Convert to fraction form
    4,043.16/5,578.92 = 2,274.42/x
  3. Step 3: Cross multiply
    4,043.16x = 5,578.92 × 2,274.42
  4. Step 4: Simplify right side
    4,043.16x = 12,688,807.23
  5. Step 5: Solve for x
    x = 12,688,807.23/4,043.16
  6. Step 6: Final answer
    x = 3,138.34

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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.