Home / 7,316.57-10,096.79-3,959.31

Finding the Fourth Proportional to 7,316.57, 10,096.79 and 3,959.31

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Solution

The fourth proportional to 7,316.57, 10,096.79 and 3,959.31 is: 5,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.57 : 10,096.79 = 3,959.31 : x
  2. Step 2: Convert to fraction form
    7,316.57/10,096.79 = 3,959.31/x
  3. Step 3: Cross multiply
    7,316.57x = 10,096.79 × 3,959.31
  4. Step 4: Simplify right side
    7,316.57x = 39,976,271.13
  5. Step 5: Solve for x
    x = 39,976,271.13/7,316.57
  6. Step 6: Final answer
    x = 5,463.80

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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.