Home / 3,860.93-5,328.14-2,092.57

Finding the Fourth Proportional to 3,860.93, 5,328.14 and 2,092.57

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Solution

The fourth proportional to 3,860.93, 5,328.14 and 2,092.57 is: 2,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.93 : 5,328.14 = 2,092.57 : x
  2. Step 2: Convert to fraction form
    3,860.93/5,328.14 = 2,092.57/x
  3. Step 3: Cross multiply
    3,860.93x = 5,328.14 × 2,092.57
  4. Step 4: Simplify right side
    3,860.93x = 11,149,482.14
  5. Step 5: Solve for x
    x = 11,149,482.14/3,860.93
  6. Step 6: Final answer
    x = 2,887.77

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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.