Home / 7,135.30-10,687.71-5,795.06

Finding the Fourth Proportional to 7,135.30, 10,687.71 and 5,795.06

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Solution

The fourth proportional to 7,135.30, 10,687.71 and 5,795.06 is: 8,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.30 : 10,687.71 = 5,795.06 : x
  2. Step 2: Convert to fraction form
    7,135.30/10,687.71 = 5,795.06/x
  3. Step 3: Cross multiply
    7,135.30x = 10,687.71 × 5,795.06
  4. Step 4: Simplify right side
    7,135.30x = 61,935,889.01
  5. Step 5: Solve for x
    x = 61,935,889.01/7,135.30
  6. Step 6: Final answer
    x = 8,680.21

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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.