Home / 1,947.06-2,686.97-1,062.89

Finding the Fourth Proportional to 1,947.06, 2,686.97 and 1,062.89

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Solution

The fourth proportional to 1,947.06, 2,686.97 and 1,062.89 is: 1,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.06 : 2,686.97 = 1,062.89 : x
  2. Step 2: Convert to fraction form
    1,947.06/2,686.97 = 1,062.89/x
  3. Step 3: Cross multiply
    1,947.06x = 2,686.97 × 1,062.89
  4. Step 4: Simplify right side
    1,947.06x = 2,855,953.54
  5. Step 5: Solve for x
    x = 2,855,953.54/1,947.06
  6. Step 6: Final answer
    x = 1,466.80

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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.