Home / 2,057.27-3,085.90-1,690.94

Finding the Fourth Proportional to 2,057.27, 3,085.90 and 1,690.94

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Solution

The fourth proportional to 2,057.27, 3,085.90 and 1,690.94 is: 2,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.27 : 3,085.90 = 1,690.94 : x
  2. Step 2: Convert to fraction form
    2,057.27/3,085.90 = 1,690.94/x
  3. Step 3: Cross multiply
    2,057.27x = 3,085.90 × 1,690.94
  4. Step 4: Simplify right side
    2,057.27x = 5,218,075.23
  5. Step 5: Solve for x
    x = 5,218,075.23/2,057.27
  6. Step 6: Final answer
    x = 2,536.41

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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.