Home / 4,479.97-6,718.35-1,316.52

Finding the Fourth Proportional to 4,479.97, 6,718.35 and 1,316.52

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Solution

The fourth proportional to 4,479.97, 6,718.35 and 1,316.52 is: 1,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.97 : 6,718.35 = 1,316.52 : x
  2. Step 2: Convert to fraction form
    4,479.97/6,718.35 = 1,316.52/x
  3. Step 3: Cross multiply
    4,479.97x = 6,718.35 × 1,316.52
  4. Step 4: Simplify right side
    4,479.97x = 8,844,842.14
  5. Step 5: Solve for x
    x = 8,844,842.14/4,479.97
  6. Step 6: Final answer
    x = 1,974.31

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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.