Home / 4,790.16-6,610.68-3,220.56

Finding the Fourth Proportional to 4,790.16, 6,610.68 and 3,220.56

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Solution

The fourth proportional to 4,790.16, 6,610.68 and 3,220.56 is: 4,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.16 : 6,610.68 = 3,220.56 : x
  2. Step 2: Convert to fraction form
    4,790.16/6,610.68 = 3,220.56/x
  3. Step 3: Cross multiply
    4,790.16x = 6,610.68 × 3,220.56
  4. Step 4: Simplify right side
    4,790.16x = 21,290,091.58
  5. Step 5: Solve for x
    x = 21,290,091.58/4,790.16
  6. Step 6: Final answer
    x = 4,444.55

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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.