Home / 5,315.88-7,335.99-3,078.27

Finding the Fourth Proportional to 5,315.88, 7,335.99 and 3,078.27

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Solution

The fourth proportional to 5,315.88, 7,335.99 and 3,078.27 is: 4,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.88 : 7,335.99 = 3,078.27 : x
  2. Step 2: Convert to fraction form
    5,315.88/7,335.99 = 3,078.27/x
  3. Step 3: Cross multiply
    5,315.88x = 7,335.99 × 3,078.27
  4. Step 4: Simplify right side
    5,315.88x = 22,582,157.94
  5. Step 5: Solve for x
    x = 22,582,157.94/5,315.88
  6. Step 6: Final answer
    x = 4,248.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.