Home / 1,851.12-2,775.75-1,364.52

Finding the Fourth Proportional to 1,851.12, 2,775.75 and 1,364.52

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Solution

The fourth proportional to 1,851.12, 2,775.75 and 1,364.52 is: 2,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.12 : 2,775.75 = 1,364.52 : x
  2. Step 2: Convert to fraction form
    1,851.12/2,775.75 = 1,364.52/x
  3. Step 3: Cross multiply
    1,851.12x = 2,775.75 × 1,364.52
  4. Step 4: Simplify right side
    1,851.12x = 3,787,566.39
  5. Step 5: Solve for x
    x = 3,787,566.39/1,851.12
  6. Step 6: Final answer
    x = 2,046.09

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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.