Home / 3,556.87-4,908.77-1,963.66

Finding the Fourth Proportional to 3,556.87, 4,908.77 and 1,963.66

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Solution

The fourth proportional to 3,556.87, 4,908.77 and 1,963.66 is: 2,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.87 : 4,908.77 = 1,963.66 : x
  2. Step 2: Convert to fraction form
    3,556.87/4,908.77 = 1,963.66/x
  3. Step 3: Cross multiply
    3,556.87x = 4,908.77 × 1,963.66
  4. Step 4: Simplify right side
    3,556.87x = 9,639,155.30
  5. Step 5: Solve for x
    x = 9,639,155.30/3,556.87
  6. Step 6: Final answer
    x = 2,710.01

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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.