Home / 5,918.48-8,877.12-2,170.08

Finding the Fourth Proportional to 5,918.48, 8,877.12 and 2,170.08

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Solution

The fourth proportional to 5,918.48, 8,877.12 and 2,170.08 is: 3,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.48 : 8,877.12 = 2,170.08 : x
  2. Step 2: Convert to fraction form
    5,918.48/8,877.12 = 2,170.08/x
  3. Step 3: Cross multiply
    5,918.48x = 8,877.12 × 2,170.08
  4. Step 4: Simplify right side
    5,918.48x = 19,264,060.57
  5. Step 5: Solve for x
    x = 19,264,060.57/5,918.48
  6. Step 6: Final answer
    x = 3,254.90

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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.