Home / 3,186.51-4,780.92-1,626.91

Finding the Fourth Proportional to 3,186.51, 4,780.92 and 1,626.91

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Solution

The fourth proportional to 3,186.51, 4,780.92 and 1,626.91 is: 2,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.51 : 4,780.92 = 1,626.91 : x
  2. Step 2: Convert to fraction form
    3,186.51/4,780.92 = 1,626.91/x
  3. Step 3: Cross multiply
    3,186.51x = 4,780.92 × 1,626.91
  4. Step 4: Simplify right side
    3,186.51x = 7,778,134.15
  5. Step 5: Solve for x
    x = 7,778,134.15/3,186.51
  6. Step 6: Final answer
    x = 2,440.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.