Home / 7,118.47-10,676.49-3,370.60

Finding the Fourth Proportional to 7,118.47, 10,676.49 and 3,370.60

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Solution

The fourth proportional to 7,118.47, 10,676.49 and 3,370.60 is: 5,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.47 : 10,676.49 = 3,370.60 : x
  2. Step 2: Convert to fraction form
    7,118.47/10,676.49 = 3,370.60/x
  3. Step 3: Cross multiply
    7,118.47x = 10,676.49 × 3,370.60
  4. Step 4: Simplify right side
    7,118.47x = 35,986,177.19
  5. Step 5: Solve for x
    x = 35,986,177.19/7,118.47
  6. Step 6: Final answer
    x = 5,055.32

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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.