Home / 3,116.26-4,300.14-1,718.92

Finding the Fourth Proportional to 3,116.26, 4,300.14 and 1,718.92

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Solution

The fourth proportional to 3,116.26, 4,300.14 and 1,718.92 is: 2,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.26 : 4,300.14 = 1,718.92 : x
  2. Step 2: Convert to fraction form
    3,116.26/4,300.14 = 1,718.92/x
  3. Step 3: Cross multiply
    3,116.26x = 4,300.14 × 1,718.92
  4. Step 4: Simplify right side
    3,116.26x = 7,391,596.65
  5. Step 5: Solve for x
    x = 7,391,596.65/3,116.26
  6. Step 6: Final answer
    x = 2,371.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.