Home / 4,101.08-5,661.41-2,776.92

Finding the Fourth Proportional to 4,101.08, 5,661.41 and 2,776.92

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Solution

The fourth proportional to 4,101.08, 5,661.41 and 2,776.92 is: 3,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.08 : 5,661.41 = 2,776.92 : x
  2. Step 2: Convert to fraction form
    4,101.08/5,661.41 = 2,776.92/x
  3. Step 3: Cross multiply
    4,101.08x = 5,661.41 × 2,776.92
  4. Step 4: Simplify right side
    4,101.08x = 15,721,268.77
  5. Step 5: Solve for x
    x = 15,721,268.77/4,101.08
  6. Step 6: Final answer
    x = 3,833.45

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1.5x scale

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.