Home / 5,224.45-7,219.09-3,885.47

Finding the Fourth Proportional to 5,224.45, 7,219.09 and 3,885.47

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Solution

The fourth proportional to 5,224.45, 7,219.09 and 3,885.47 is: 5,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.45 : 7,219.09 = 3,885.47 : x
  2. Step 2: Convert to fraction form
    5,224.45/7,219.09 = 3,885.47/x
  3. Step 3: Cross multiply
    5,224.45x = 7,219.09 × 3,885.47
  4. Step 4: Simplify right side
    5,224.45x = 28,049,545.41
  5. Step 5: Solve for x
    x = 28,049,545.41/5,224.45
  6. Step 6: Final answer
    x = 5,368.90

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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.