Home / 1,225.24-1,833.54-934.36

Finding the Fourth Proportional to 1,225.24, 1,833.54 and 934.36

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Solution

The fourth proportional to 1,225.24, 1,833.54 and 934.36 is: 1,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.24 : 1,833.54 = 934.36 : x
  2. Step 2: Convert to fraction form
    1,225.24/1,833.54 = 934.36/x
  3. Step 3: Cross multiply
    1,225.24x = 1,833.54 × 934.36
  4. Step 4: Simplify right side
    1,225.24x = 1,713,186.43
  5. Step 5: Solve for x
    x = 1,713,186.43/1,225.24
  6. Step 6: Final answer
    x = 1,398.25

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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.