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Finding the Fourth Proportional to 3,596.66, 5,391.79 and 1,404.89

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Solution

The fourth proportional to 3,596.66, 5,391.79 and 1,404.89 is: 2,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.66 : 5,391.79 = 1,404.89 : x
  2. Step 2: Convert to fraction form
    3,596.66/5,391.79 = 1,404.89/x
  3. Step 3: Cross multiply
    3,596.66x = 5,391.79 × 1,404.89
  4. Step 4: Simplify right side
    3,596.66x = 7,574,841.38
  5. Step 5: Solve for x
    x = 7,574,841.38/3,596.66
  6. Step 6: Final answer
    x = 2,106.08

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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.