Home / 4,790.38-6,610.34-2,665.74

Finding the Fourth Proportional to 4,790.38, 6,610.34 and 2,665.74

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Solution

The fourth proportional to 4,790.38, 6,610.34 and 2,665.74 is: 3,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.38 : 6,610.34 = 2,665.74 : x
  2. Step 2: Convert to fraction form
    4,790.38/6,610.34 = 2,665.74/x
  3. Step 3: Cross multiply
    4,790.38x = 6,610.34 × 2,665.74
  4. Step 4: Simplify right side
    4,790.38x = 17,621,447.75
  5. Step 5: Solve for x
    x = 17,621,447.75/4,790.38
  6. Step 6: Final answer
    x = 3,678.51

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Half scale
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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.