Home / 5,321.04-7,976.28-2,718.16

Finding the Fourth Proportional to 5,321.04, 7,976.28 and 2,718.16

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Solution

The fourth proportional to 5,321.04, 7,976.28 and 2,718.16 is: 4,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.04 : 7,976.28 = 2,718.16 : x
  2. Step 2: Convert to fraction form
    5,321.04/7,976.28 = 2,718.16/x
  3. Step 3: Cross multiply
    5,321.04x = 7,976.28 × 2,718.16
  4. Step 4: Simplify right side
    5,321.04x = 21,680,805.24
  5. Step 5: Solve for x
    x = 21,680,805.24/5,321.04
  6. Step 6: Final answer
    x = 4,074.54

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1.5x scale

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.