Home / 3,349.52-5,018.20-1,398.23

Finding the Fourth Proportional to 3,349.52, 5,018.20 and 1,398.23

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Solution

The fourth proportional to 3,349.52, 5,018.20 and 1,398.23 is: 2,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.52 : 5,018.20 = 1,398.23 : x
  2. Step 2: Convert to fraction form
    3,349.52/5,018.20 = 1,398.23/x
  3. Step 3: Cross multiply
    3,349.52x = 5,018.20 × 1,398.23
  4. Step 4: Simplify right side
    3,349.52x = 7,016,569.20
  5. Step 5: Solve for x
    x = 7,016,569.20/3,349.52
  6. Step 6: Final answer
    x = 2,094.80

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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.