Home / 2,370.16-3,555.70-726.42

Finding the Fourth Proportional to 2,370.16, 3,555.70 and 726.42

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Solution

The fourth proportional to 2,370.16, 3,555.70 and 726.42 is: 1,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.16 : 3,555.70 = 726.42 : x
  2. Step 2: Convert to fraction form
    2,370.16/3,555.70 = 726.42/x
  3. Step 3: Cross multiply
    2,370.16x = 3,555.70 × 726.42
  4. Step 4: Simplify right side
    2,370.16x = 2,582,923.11
  5. Step 5: Solve for x
    x = 2,582,923.11/2,370.16
  6. Step 6: Final answer
    x = 1,089.77

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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.