Home / 7,318.51-10,974.52-5,257.87

Finding the Fourth Proportional to 7,318.51, 10,974.52 and 5,257.87

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Solution

The fourth proportional to 7,318.51, 10,974.52 and 5,257.87 is: 7,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.51 : 10,974.52 = 5,257.87 : x
  2. Step 2: Convert to fraction form
    7,318.51/10,974.52 = 5,257.87/x
  3. Step 3: Cross multiply
    7,318.51x = 10,974.52 × 5,257.87
  4. Step 4: Simplify right side
    7,318.51x = 57,702,599.47
  5. Step 5: Solve for x
    x = 57,702,599.47/7,318.51
  6. Step 6: Final answer
    x = 7,884.47

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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.