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Finding the Fourth Proportional to 3,590.70, 5,392.19 and 1,950.45

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Solution

The fourth proportional to 3,590.70, 5,392.19 and 1,950.45 is: 2,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.70 : 5,392.19 = 1,950.45 : x
  2. Step 2: Convert to fraction form
    3,590.70/5,392.19 = 1,950.45/x
  3. Step 3: Cross multiply
    3,590.70x = 5,392.19 × 1,950.45
  4. Step 4: Simplify right side
    3,590.70x = 10,517,181.64
  5. Step 5: Solve for x
    x = 10,517,181.64/3,590.70
  6. Step 6: Final answer
    x = 2,929.01

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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.