Home / 3,701.09-5,103.84-2,859.77

Finding the Fourth Proportional to 3,701.09, 5,103.84 and 2,859.77

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Solution

The fourth proportional to 3,701.09, 5,103.84 and 2,859.77 is: 3,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.09 : 5,103.84 = 2,859.77 : x
  2. Step 2: Convert to fraction form
    3,701.09/5,103.84 = 2,859.77/x
  3. Step 3: Cross multiply
    3,701.09x = 5,103.84 × 2,859.77
  4. Step 4: Simplify right side
    3,701.09x = 14,595,832.00
  5. Step 5: Solve for x
    x = 14,595,832.00/3,701.09
  6. Step 6: Final answer
    x = 3,943.66

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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.