Home / 4,880.25-6,734.76-2,642.12

Finding the Fourth Proportional to 4,880.25, 6,734.76 and 2,642.12

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Solution

The fourth proportional to 4,880.25, 6,734.76 and 2,642.12 is: 3,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.25 : 6,734.76 = 2,642.12 : x
  2. Step 2: Convert to fraction form
    4,880.25/6,734.76 = 2,642.12/x
  3. Step 3: Cross multiply
    4,880.25x = 6,734.76 × 2,642.12
  4. Step 4: Simplify right side
    4,880.25x = 17,794,020.65
  5. Step 5: Solve for x
    x = 17,794,020.65/4,880.25
  6. Step 6: Final answer
    x = 3,646.13

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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.