Home / 5,503.86-8,253.72-2,215.83

Finding the Fourth Proportional to 5,503.86, 8,253.72 and 2,215.83

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Solution

The fourth proportional to 5,503.86, 8,253.72 and 2,215.83 is: 3,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.86 : 8,253.72 = 2,215.83 : x
  2. Step 2: Convert to fraction form
    5,503.86/8,253.72 = 2,215.83/x
  3. Step 3: Cross multiply
    5,503.86x = 8,253.72 × 2,215.83
  4. Step 4: Simplify right side
    5,503.86x = 18,288,840.39
  5. Step 5: Solve for x
    x = 18,288,840.39/5,503.86
  6. Step 6: Final answer
    x = 3,322.91

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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.