Home / 2,958.24-4,437.80-1,109.10

Finding the Fourth Proportional to 2,958.24, 4,437.80 and 1,109.10

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Solution

The fourth proportional to 2,958.24, 4,437.80 and 1,109.10 is: 1,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.24 : 4,437.80 = 1,109.10 : x
  2. Step 2: Convert to fraction form
    2,958.24/4,437.80 = 1,109.10/x
  3. Step 3: Cross multiply
    2,958.24x = 4,437.80 × 1,109.10
  4. Step 4: Simplify right side
    2,958.24x = 4,921,963.98
  5. Step 5: Solve for x
    x = 4,921,963.98/2,958.24
  6. Step 6: Final answer
    x = 1,663.81

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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.