Home / 2,690.62-4,036.33-1,048.24

Finding the Fourth Proportional to 2,690.62, 4,036.33 and 1,048.24

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Solution

The fourth proportional to 2,690.62, 4,036.33 and 1,048.24 is: 1,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.62 : 4,036.33 = 1,048.24 : x
  2. Step 2: Convert to fraction form
    2,690.62/4,036.33 = 1,048.24/x
  3. Step 3: Cross multiply
    2,690.62x = 4,036.33 × 1,048.24
  4. Step 4: Simplify right side
    2,690.62x = 4,231,048.91
  5. Step 5: Solve for x
    x = 4,231,048.91/2,690.62
  6. Step 6: Final answer
    x = 1,572.52

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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.