Home / 7,717.30-11,582.50-3,040.58

Finding the Fourth Proportional to 7,717.30, 11,582.50 and 3,040.58

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Solution

The fourth proportional to 7,717.30, 11,582.50 and 3,040.58 is: 4,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.30 : 11,582.50 = 3,040.58 : x
  2. Step 2: Convert to fraction form
    7,717.30/11,582.50 = 3,040.58/x
  3. Step 3: Cross multiply
    7,717.30x = 11,582.50 × 3,040.58
  4. Step 4: Simplify right side
    7,717.30x = 35,217,517.85
  5. Step 5: Solve for x
    x = 35,217,517.85/7,717.30
  6. Step 6: Final answer
    x = 4,563.45

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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.