Home / 5,202.05-7,803.85-1,914.89

Finding the Fourth Proportional to 5,202.05, 7,803.85 and 1,914.89

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Solution

The fourth proportional to 5,202.05, 7,803.85 and 1,914.89 is: 2,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.05 : 7,803.85 = 1,914.89 : x
  2. Step 2: Convert to fraction form
    5,202.05/7,803.85 = 1,914.89/x
  3. Step 3: Cross multiply
    5,202.05x = 7,803.85 × 1,914.89
  4. Step 4: Simplify right side
    5,202.05x = 14,943,501.65
  5. Step 5: Solve for x
    x = 14,943,501.65/5,202.05
  6. Step 6: Final answer
    x = 2,872.62

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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.