Home / 4,118.50-6,180.11-4,085.06

Finding the Fourth Proportional to 4,118.50, 6,180.11 and 4,085.06

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Solution

The fourth proportional to 4,118.50, 6,180.11 and 4,085.06 is: 6,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.50 : 6,180.11 = 4,085.06 : x
  2. Step 2: Convert to fraction form
    4,118.50/6,180.11 = 4,085.06/x
  3. Step 3: Cross multiply
    4,118.50x = 6,180.11 × 4,085.06
  4. Step 4: Simplify right side
    4,118.50x = 25,246,145.82
  5. Step 5: Solve for x
    x = 25,246,145.82/4,118.50
  6. Step 6: Final answer
    x = 6,129.94

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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.