Home / 3,383.22-4,668.91-1,870.78

Finding the Fourth Proportional to 3,383.22, 4,668.91 and 1,870.78

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Solution

The fourth proportional to 3,383.22, 4,668.91 and 1,870.78 is: 2,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.22 : 4,668.91 = 1,870.78 : x
  2. Step 2: Convert to fraction form
    3,383.22/4,668.91 = 1,870.78/x
  3. Step 3: Cross multiply
    3,383.22x = 4,668.91 × 1,870.78
  4. Step 4: Simplify right side
    3,383.22x = 8,734,482.42
  5. Step 5: Solve for x
    x = 8,734,482.42/3,383.22
  6. Step 6: Final answer
    x = 2,581.71

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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.