Home / 2,101.93-3,150.75-1,058.77

Finding the Fourth Proportional to 2,101.93, 3,150.75 and 1,058.77

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Solution

The fourth proportional to 2,101.93, 3,150.75 and 1,058.77 is: 1,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.93 : 3,150.75 = 1,058.77 : x
  2. Step 2: Convert to fraction form
    2,101.93/3,150.75 = 1,058.77/x
  3. Step 3: Cross multiply
    2,101.93x = 3,150.75 × 1,058.77
  4. Step 4: Simplify right side
    2,101.93x = 3,335,919.58
  5. Step 5: Solve for x
    x = 3,335,919.58/2,101.93
  6. Step 6: Final answer
    x = 1,587.07

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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.