Home / 3,416.48-5,122.18-1,335.42

Finding the Fourth Proportional to 3,416.48, 5,122.18 and 1,335.42

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Solution

The fourth proportional to 3,416.48, 5,122.18 and 1,335.42 is: 2,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.48 : 5,122.18 = 1,335.42 : x
  2. Step 2: Convert to fraction form
    3,416.48/5,122.18 = 1,335.42/x
  3. Step 3: Cross multiply
    3,416.48x = 5,122.18 × 1,335.42
  4. Step 4: Simplify right side
    3,416.48x = 6,840,261.62
  5. Step 5: Solve for x
    x = 6,840,261.62/3,416.48
  6. Step 6: Final answer
    x = 2,002.14

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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.