Home / 3,862.91-5,330.77-2,094.50

Finding the Fourth Proportional to 3,862.91, 5,330.77 and 2,094.50

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Solution

The fourth proportional to 3,862.91, 5,330.77 and 2,094.50 is: 2,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.91 : 5,330.77 = 2,094.50 : x
  2. Step 2: Convert to fraction form
    3,862.91/5,330.77 = 2,094.50/x
  3. Step 3: Cross multiply
    3,862.91x = 5,330.77 × 2,094.50
  4. Step 4: Simplify right side
    3,862.91x = 11,165,305.86
  5. Step 5: Solve for x
    x = 11,165,305.86/3,862.91
  6. Step 6: Final answer
    x = 2,890.39

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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.