Home / 3,416.18-5,122.74-1,567.89

Finding the Fourth Proportional to 3,416.18, 5,122.74 and 1,567.89

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Solution

The fourth proportional to 3,416.18, 5,122.74 and 1,567.89 is: 2,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.18 : 5,122.74 = 1,567.89 : x
  2. Step 2: Convert to fraction form
    3,416.18/5,122.74 = 1,567.89/x
  3. Step 3: Cross multiply
    3,416.18x = 5,122.74 × 1,567.89
  4. Step 4: Simplify right side
    3,416.18x = 8,031,898.70
  5. Step 5: Solve for x
    x = 8,031,898.70/3,416.18
  6. Step 6: Final answer
    x = 2,351.14

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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.