Home / 5,274.12-7,275.24-3,411.12

Finding the Fourth Proportional to 5,274.12, 7,275.24 and 3,411.12

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Solution

The fourth proportional to 5,274.12, 7,275.24 and 3,411.12 is: 4,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.12 : 7,275.24 = 3,411.12 : x
  2. Step 2: Convert to fraction form
    5,274.12/7,275.24 = 3,411.12/x
  3. Step 3: Cross multiply
    5,274.12x = 7,275.24 × 3,411.12
  4. Step 4: Simplify right side
    5,274.12x = 24,816,716.67
  5. Step 5: Solve for x
    x = 24,816,716.67/5,274.12
  6. Step 6: Final answer
    x = 4,705.38

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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.