Home / 5,031.25-7,539.58-2,835.30

Finding the Fourth Proportional to 5,031.25, 7,539.58 and 2,835.30

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Solution

The fourth proportional to 5,031.25, 7,539.58 and 2,835.30 is: 4,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.25 : 7,539.58 = 2,835.30 : x
  2. Step 2: Convert to fraction form
    5,031.25/7,539.58 = 2,835.30/x
  3. Step 3: Cross multiply
    5,031.25x = 7,539.58 × 2,835.30
  4. Step 4: Simplify right side
    5,031.25x = 21,377,002.99
  5. Step 5: Solve for x
    x = 21,377,002.99/5,031.25
  6. Step 6: Final answer
    x = 4,248.85

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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.