Home / 3,605.11-4,974.95-2,011.91

Finding the Fourth Proportional to 3,605.11, 4,974.95 and 2,011.91

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Solution

The fourth proportional to 3,605.11, 4,974.95 and 2,011.91 is: 2,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.11 : 4,974.95 = 2,011.91 : x
  2. Step 2: Convert to fraction form
    3,605.11/4,974.95 = 2,011.91/x
  3. Step 3: Cross multiply
    3,605.11x = 4,974.95 × 2,011.91
  4. Step 4: Simplify right side
    3,605.11x = 10,009,131.81
  5. Step 5: Solve for x
    x = 10,009,131.81/3,605.11
  6. Step 6: Final answer
    x = 2,776.38

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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.