Home / 2,028.18-2,795.11-1,585.38

Finding the Fourth Proportional to 2,028.18, 2,795.11 and 1,585.38

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Solution

The fourth proportional to 2,028.18, 2,795.11 and 1,585.38 is: 2,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.18 : 2,795.11 = 1,585.38 : x
  2. Step 2: Convert to fraction form
    2,028.18/2,795.11 = 1,585.38/x
  3. Step 3: Cross multiply
    2,028.18x = 2,795.11 × 1,585.38
  4. Step 4: Simplify right side
    2,028.18x = 4,431,311.49
  5. Step 5: Solve for x
    x = 4,431,311.49/2,028.18
  6. Step 6: Final answer
    x = 2,184.87

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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.