Home / 2,045.23-3,068.75-746.39

Finding the Fourth Proportional to 2,045.23, 3,068.75 and 746.39

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Solution

The fourth proportional to 2,045.23, 3,068.75 and 746.39 is: 1,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.23 : 3,068.75 = 746.39 : x
  2. Step 2: Convert to fraction form
    2,045.23/3,068.75 = 746.39/x
  3. Step 3: Cross multiply
    2,045.23x = 3,068.75 × 746.39
  4. Step 4: Simplify right side
    2,045.23x = 2,290,493.85
  5. Step 5: Solve for x
    x = 2,290,493.85/2,045.23
  6. Step 6: Final answer
    x = 1,119.92

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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.