Home / 2,055.39-3,082.95-885.35

Finding the Fourth Proportional to 2,055.39, 3,082.95 and 885.35

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Solution

The fourth proportional to 2,055.39, 3,082.95 and 885.35 is: 1,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.39 : 3,082.95 = 885.35 : x
  2. Step 2: Convert to fraction form
    2,055.39/3,082.95 = 885.35/x
  3. Step 3: Cross multiply
    2,055.39x = 3,082.95 × 885.35
  4. Step 4: Simplify right side
    2,055.39x = 2,729,474.37
  5. Step 5: Solve for x
    x = 2,729,474.37/2,055.39
  6. Step 6: Final answer
    x = 1,327.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.