Home / 3,498.22-5,247.32-901.16

Finding the Fourth Proportional to 3,498.22, 5,247.32 and 901.16

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Solution

The fourth proportional to 3,498.22, 5,247.32 and 901.16 is: 1,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.22 : 5,247.32 = 901.16 : x
  2. Step 2: Convert to fraction form
    3,498.22/5,247.32 = 901.16/x
  3. Step 3: Cross multiply
    3,498.22x = 5,247.32 × 901.16
  4. Step 4: Simplify right side
    3,498.22x = 4,728,674.89
  5. Step 5: Solve for x
    x = 4,728,674.89/3,498.22
  6. Step 6: Final answer
    x = 1,351.74

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.