Home / 2,374.04-3,559.70-1,139.78

Finding the Fourth Proportional to 2,374.04, 3,559.70 and 1,139.78

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Solution

The fourth proportional to 2,374.04, 3,559.70 and 1,139.78 is: 1,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.04 : 3,559.70 = 1,139.78 : x
  2. Step 2: Convert to fraction form
    2,374.04/3,559.70 = 1,139.78/x
  3. Step 3: Cross multiply
    2,374.04x = 3,559.70 × 1,139.78
  4. Step 4: Simplify right side
    2,374.04x = 4,057,251.37
  5. Step 5: Solve for x
    x = 4,057,251.37/2,374.04
  6. Step 6: Final answer
    x = 1,709.01

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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.