Home / 7,717.47-11,574.75-3,764.76

Finding the Fourth Proportional to 7,717.47, 11,574.75 and 3,764.76

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Solution

The fourth proportional to 7,717.47, 11,574.75 and 3,764.76 is: 5,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.47 : 11,574.75 = 3,764.76 : x
  2. Step 2: Convert to fraction form
    7,717.47/11,574.75 = 3,764.76/x
  3. Step 3: Cross multiply
    7,717.47x = 11,574.75 × 3,764.76
  4. Step 4: Simplify right side
    7,717.47x = 43,576,155.81
  5. Step 5: Solve for x
    x = 43,576,155.81/7,717.47
  6. Step 6: Final answer
    x = 5,646.43

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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.