Home / 5,011.80-7,516.82-1,892.08

Finding the Fourth Proportional to 5,011.80, 7,516.82 and 1,892.08

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Solution

The fourth proportional to 5,011.80, 7,516.82 and 1,892.08 is: 2,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.80 : 7,516.82 = 1,892.08 : x
  2. Step 2: Convert to fraction form
    5,011.80/7,516.82 = 1,892.08/x
  3. Step 3: Cross multiply
    5,011.80x = 7,516.82 × 1,892.08
  4. Step 4: Simplify right side
    5,011.80x = 14,222,424.79
  5. Step 5: Solve for x
    x = 14,222,424.79/5,011.80
  6. Step 6: Final answer
    x = 2,837.79

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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.