Home / 5,315.32-7,973.52-2,031.18

Finding the Fourth Proportional to 5,315.32, 7,973.52 and 2,031.18

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Solution

The fourth proportional to 5,315.32, 7,973.52 and 2,031.18 is: 3,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.32 : 7,973.52 = 2,031.18 : x
  2. Step 2: Convert to fraction form
    5,315.32/7,973.52 = 2,031.18/x
  3. Step 3: Cross multiply
    5,315.32x = 7,973.52 × 2,031.18
  4. Step 4: Simplify right side
    5,315.32x = 16,195,628.26
  5. Step 5: Solve for x
    x = 16,195,628.26/5,315.32
  6. Step 6: Final answer
    x = 3,046.97

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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.