Home / 5,039.77-6,954.89-2,801.66

Finding the Fourth Proportional to 5,039.77, 6,954.89 and 2,801.66

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Solution

The fourth proportional to 5,039.77, 6,954.89 and 2,801.66 is: 3,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.77 : 6,954.89 = 2,801.66 : x
  2. Step 2: Convert to fraction form
    5,039.77/6,954.89 = 2,801.66/x
  3. Step 3: Cross multiply
    5,039.77x = 6,954.89 × 2,801.66
  4. Step 4: Simplify right side
    5,039.77x = 19,485,254.90
  5. Step 5: Solve for x
    x = 19,485,254.90/5,039.77
  6. Step 6: Final answer
    x = 3,866.30

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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.