Home / 3,274.32-4,520.16-2,280.36

Finding the Fourth Proportional to 3,274.32, 4,520.16 and 2,280.36

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Solution

The fourth proportional to 3,274.32, 4,520.16 and 2,280.36 is: 3,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.32 : 4,520.16 = 2,280.36 : x
  2. Step 2: Convert to fraction form
    3,274.32/4,520.16 = 2,280.36/x
  3. Step 3: Cross multiply
    3,274.32x = 4,520.16 × 2,280.36
  4. Step 4: Simplify right side
    3,274.32x = 10,307,592.06
  5. Step 5: Solve for x
    x = 10,307,592.06/3,274.32
  6. Step 6: Final answer
    x = 3,148.01

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Half 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.