Home / 3,383.11-4,668.87-1,870.66

Finding the Fourth Proportional to 3,383.11, 4,668.87 and 1,870.66

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Solution

The fourth proportional to 3,383.11, 4,668.87 and 1,870.66 is: 2,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.11 : 4,668.87 = 1,870.66 : x
  2. Step 2: Convert to fraction form
    3,383.11/4,668.87 = 1,870.66/x
  3. Step 3: Cross multiply
    3,383.11x = 4,668.87 × 1,870.66
  4. Step 4: Simplify right side
    3,383.11x = 8,733,868.35
  5. Step 5: Solve for x
    x = 8,733,868.35/3,383.11
  6. Step 6: Final answer
    x = 2,581.61

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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.