Home / 1,895.07-2,615.13-1,055.73

Finding the Fourth Proportional to 1,895.07, 2,615.13 and 1,055.73

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Solution

The fourth proportional to 1,895.07, 2,615.13 and 1,055.73 is: 1,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.07 : 2,615.13 = 1,055.73 : x
  2. Step 2: Convert to fraction form
    1,895.07/2,615.13 = 1,055.73/x
  3. Step 3: Cross multiply
    1,895.07x = 2,615.13 × 1,055.73
  4. Step 4: Simplify right side
    1,895.07x = 2,760,862.02
  5. Step 5: Solve for x
    x = 2,760,862.02/1,895.07
  6. Step 6: Final answer
    x = 1,456.87

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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.