Home / 7,316.78-10,976.34-2,386.04

Finding the Fourth Proportional to 7,316.78, 10,976.34 and 2,386.04

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Solution

The fourth proportional to 7,316.78, 10,976.34 and 2,386.04 is: 3,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.78 : 10,976.34 = 2,386.04 : x
  2. Step 2: Convert to fraction form
    7,316.78/10,976.34 = 2,386.04/x
  3. Step 3: Cross multiply
    7,316.78x = 10,976.34 × 2,386.04
  4. Step 4: Simplify right side
    7,316.78x = 26,189,986.29
  5. Step 5: Solve for x
    x = 26,189,986.29/7,316.78
  6. Step 6: Final answer
    x = 3,579.44

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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.