Home / 6,717.40-10,080.02-2,821.48

Finding the Fourth Proportional to 6,717.40, 10,080.02 and 2,821.48

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Solution

The fourth proportional to 6,717.40, 10,080.02 and 2,821.48 is: 4,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.40 : 10,080.02 = 2,821.48 : x
  2. Step 2: Convert to fraction form
    6,717.40/10,080.02 = 2,821.48/x
  3. Step 3: Cross multiply
    6,717.40x = 10,080.02 × 2,821.48
  4. Step 4: Simplify right side
    6,717.40x = 28,440,574.83
  5. Step 5: Solve for x
    x = 28,440,574.83/6,717.40
  6. Step 6: Final answer
    x = 4,233.87

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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.