Home / 1,841.81-2,756.33-1,765.26

Finding the Fourth Proportional to 1,841.81, 2,756.33 and 1,765.26

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Solution

The fourth proportional to 1,841.81, 2,756.33 and 1,765.26 is: 2,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.81 : 2,756.33 = 1,765.26 : x
  2. Step 2: Convert to fraction form
    1,841.81/2,756.33 = 1,765.26/x
  3. Step 3: Cross multiply
    1,841.81x = 2,756.33 × 1,765.26
  4. Step 4: Simplify right side
    1,841.81x = 4,865,636.89
  5. Step 5: Solve for x
    x = 4,865,636.89/1,841.81
  6. Step 6: Final answer
    x = 2,641.78

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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.