Home / 4,095.61-6,138.27-2,221.43

Finding the Fourth Proportional to 4,095.61, 6,138.27 and 2,221.43

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Solution

The fourth proportional to 4,095.61, 6,138.27 and 2,221.43 is: 3,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.61 : 6,138.27 = 2,221.43 : x
  2. Step 2: Convert to fraction form
    4,095.61/6,138.27 = 2,221.43/x
  3. Step 3: Cross multiply
    4,095.61x = 6,138.27 × 2,221.43
  4. Step 4: Simplify right side
    4,095.61x = 13,635,737.13
  5. Step 5: Solve for x
    x = 13,635,737.13/4,095.61
  6. Step 6: Final answer
    x = 3,329.35

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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.