Home / 7,631.88-10,533.78-4,974.66

Finding the Fourth Proportional to 7,631.88, 10,533.78 and 4,974.66

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Solution

The fourth proportional to 7,631.88, 10,533.78 and 4,974.66 is: 6,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.88 : 10,533.78 = 4,974.66 : x
  2. Step 2: Convert to fraction form
    7,631.88/10,533.78 = 4,974.66/x
  3. Step 3: Cross multiply
    7,631.88x = 10,533.78 × 4,974.66
  4. Step 4: Simplify right side
    7,631.88x = 52,401,974.01
  5. Step 5: Solve for x
    x = 52,401,974.01/7,631.88
  6. Step 6: Final answer
    x = 6,866.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.