Home / 4,007.18-5,530.03-2,238.91

Finding the Fourth Proportional to 4,007.18, 5,530.03 and 2,238.91

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Solution

The fourth proportional to 4,007.18, 5,530.03 and 2,238.91 is: 3,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.18 : 5,530.03 = 2,238.91 : x
  2. Step 2: Convert to fraction form
    4,007.18/5,530.03 = 2,238.91/x
  3. Step 3: Cross multiply
    4,007.18x = 5,530.03 × 2,238.91
  4. Step 4: Simplify right side
    4,007.18x = 12,381,220.04
  5. Step 5: Solve for x
    x = 12,381,220.04/4,007.18
  6. Step 6: Final answer
    x = 3,089.76

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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.