Home / 6,275.75-8,660.79-3,443.23

Finding the Fourth Proportional to 6,275.75, 8,660.79 and 3,443.23

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Solution

The fourth proportional to 6,275.75, 8,660.79 and 3,443.23 is: 4,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.75 : 8,660.79 = 3,443.23 : x
  2. Step 2: Convert to fraction form
    6,275.75/8,660.79 = 3,443.23/x
  3. Step 3: Cross multiply
    6,275.75x = 8,660.79 × 3,443.23
  4. Step 4: Simplify right side
    6,275.75x = 29,821,070.30
  5. Step 5: Solve for x
    x = 29,821,070.30/6,275.75
  6. Step 6: Final answer
    x = 4,751.79

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Half scale
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Double scale
Find fourth proportional to 6,276.75, 8,662.17 and 3,444.23
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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.