Home / 5,918.16-8,878.65-2,022.60

Finding the Fourth Proportional to 5,918.16, 8,878.65 and 2,022.60

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Solution

The fourth proportional to 5,918.16, 8,878.65 and 2,022.60 is: 3,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.16 : 8,878.65 = 2,022.60 : x
  2. Step 2: Convert to fraction form
    5,918.16/8,878.65 = 2,022.60/x
  3. Step 3: Cross multiply
    5,918.16x = 8,878.65 × 2,022.60
  4. Step 4: Simplify right side
    5,918.16x = 17,957,957.49
  5. Step 5: Solve for x
    x = 17,957,957.49/5,918.16
  6. Step 6: Final answer
    x = 3,034.38

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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.