Home / 7,717.17-11,574.87-3,275.51

Finding the Fourth Proportional to 7,717.17, 11,574.87 and 3,275.51

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Solution

The fourth proportional to 7,717.17, 11,574.87 and 3,275.51 is: 4,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.17 : 11,574.87 = 3,275.51 : x
  2. Step 2: Convert to fraction form
    7,717.17/11,574.87 = 3,275.51/x
  3. Step 3: Cross multiply
    7,717.17x = 11,574.87 × 3,275.51
  4. Step 4: Simplify right side
    7,717.17x = 37,913,532.28
  5. Step 5: Solve for x
    x = 37,913,532.28/7,717.17
  6. Step 6: Final answer
    x = 4,912.88

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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.