Home / 3,400.62-5,098.59-1,178.89

Finding the Fourth Proportional to 3,400.62, 5,098.59 and 1,178.89

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Solution

The fourth proportional to 3,400.62, 5,098.59 and 1,178.89 is: 1,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.62 : 5,098.59 = 1,178.89 : x
  2. Step 2: Convert to fraction form
    3,400.62/5,098.59 = 1,178.89/x
  3. Step 3: Cross multiply
    3,400.62x = 5,098.59 × 1,178.89
  4. Step 4: Simplify right side
    3,400.62x = 6,010,676.77
  5. Step 5: Solve for x
    x = 6,010,676.77/3,400.62
  6. Step 6: Final answer
    x = 1,767.52

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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.