Home / 4,085.86-6,129.20-1,895.22

Finding the Fourth Proportional to 4,085.86, 6,129.20 and 1,895.22

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Solution

The fourth proportional to 4,085.86, 6,129.20 and 1,895.22 is: 2,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.86 : 6,129.20 = 1,895.22 : x
  2. Step 2: Convert to fraction form
    4,085.86/6,129.20 = 1,895.22/x
  3. Step 3: Cross multiply
    4,085.86x = 6,129.20 × 1,895.22
  4. Step 4: Simplify right side
    4,085.86x = 11,616,182.42
  5. Step 5: Solve for x
    x = 11,616,182.42/4,085.86
  6. Step 6: Final answer
    x = 2,843.02

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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.