Home / 3,786.44-5,225.40-2,085.01

Finding the Fourth Proportional to 3,786.44, 5,225.40 and 2,085.01

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Solution

The fourth proportional to 3,786.44, 5,225.40 and 2,085.01 is: 2,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.44 : 5,225.40 = 2,085.01 : x
  2. Step 2: Convert to fraction form
    3,786.44/5,225.40 = 2,085.01/x
  3. Step 3: Cross multiply
    3,786.44x = 5,225.40 × 2,085.01
  4. Step 4: Simplify right side
    3,786.44x = 10,894,998.19
  5. Step 5: Solve for x
    x = 10,894,998.19/3,786.44
  6. Step 6: Final answer
    x = 2,877.38

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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.