Home / 5,918.25-8,872.69-2,955.17

Finding the Fourth Proportional to 5,918.25, 8,872.69 and 2,955.17

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Solution

The fourth proportional to 5,918.25, 8,872.69 and 2,955.17 is: 4,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.25 : 8,872.69 = 2,955.17 : x
  2. Step 2: Convert to fraction form
    5,918.25/8,872.69 = 2,955.17/x
  3. Step 3: Cross multiply
    5,918.25x = 8,872.69 × 2,955.17
  4. Step 4: Simplify right side
    5,918.25x = 26,220,307.31
  5. Step 5: Solve for x
    x = 26,220,307.31/5,918.25
  6. Step 6: Final answer
    x = 4,430.42

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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.