Home / 1,846.74-2,769.50-613.81

Finding the Fourth Proportional to 1,846.74, 2,769.50 and 613.81

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Solution

The fourth proportional to 1,846.74, 2,769.50 and 613.81 is: 920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.74 : 2,769.50 = 613.81 : x
  2. Step 2: Convert to fraction form
    1,846.74/2,769.50 = 613.81/x
  3. Step 3: Cross multiply
    1,846.74x = 2,769.50 × 613.81
  4. Step 4: Simplify right side
    1,846.74x = 1,699,955.25
  5. Step 5: Solve for x
    x = 1,699,955.25/1,846.74
  6. Step 6: Final answer
    x = 920.52

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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.