Home / 1,930.75-2,664.42-1,046.53

Finding the Fourth Proportional to 1,930.75, 2,664.42 and 1,046.53

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Solution

The fourth proportional to 1,930.75, 2,664.42 and 1,046.53 is: 1,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.75 : 2,664.42 = 1,046.53 : x
  2. Step 2: Convert to fraction form
    1,930.75/2,664.42 = 1,046.53/x
  3. Step 3: Cross multiply
    1,930.75x = 2,664.42 × 1,046.53
  4. Step 4: Simplify right side
    1,930.75x = 2,788,395.46
  5. Step 5: Solve for x
    x = 2,788,395.46/1,930.75
  6. Step 6: Final answer
    x = 1,444.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.