Home / 5,276.27-7,282.69-3,285.66

Finding the Fourth Proportional to 5,276.27, 7,282.69 and 3,285.66

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Solution

The fourth proportional to 5,276.27, 7,282.69 and 3,285.66 is: 4,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.27 : 7,282.69 = 3,285.66 : x
  2. Step 2: Convert to fraction form
    5,276.27/7,282.69 = 3,285.66/x
  3. Step 3: Cross multiply
    5,276.27x = 7,282.69 × 3,285.66
  4. Step 4: Simplify right side
    5,276.27x = 23,928,443.23
  5. Step 5: Solve for x
    x = 23,928,443.23/5,276.27
  6. Step 6: Final answer
    x = 4,535.11

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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.