Home / 5,219.50-7,206.69-3,359.74

Finding the Fourth Proportional to 5,219.50, 7,206.69 and 3,359.74

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Solution

The fourth proportional to 5,219.50, 7,206.69 and 3,359.74 is: 4,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.50 : 7,206.69 = 3,359.74 : x
  2. Step 2: Convert to fraction form
    5,219.50/7,206.69 = 3,359.74/x
  3. Step 3: Cross multiply
    5,219.50x = 7,206.69 × 3,359.74
  4. Step 4: Simplify right side
    5,219.50x = 24,212,604.66
  5. Step 5: Solve for x
    x = 24,212,604.66/5,219.50
  6. Step 6: Final answer
    x = 4,638.87

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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.