Home / 5,307.06-7,959.23-2,187.95

Finding the Fourth Proportional to 5,307.06, 7,959.23 and 2,187.95

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Solution

The fourth proportional to 5,307.06, 7,959.23 and 2,187.95 is: 3,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.06 : 7,959.23 = 2,187.95 : x
  2. Step 2: Convert to fraction form
    5,307.06/7,959.23 = 2,187.95/x
  3. Step 3: Cross multiply
    5,307.06x = 7,959.23 × 2,187.95
  4. Step 4: Simplify right side
    5,307.06x = 17,414,406.24
  5. Step 5: Solve for x
    x = 17,414,406.24/5,307.06
  6. Step 6: Final answer
    x = 3,281.37

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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.