Home / 5,345.05-7,378.23-4,022.62

Finding the Fourth Proportional to 5,345.05, 7,378.23 and 4,022.62

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Solution

The fourth proportional to 5,345.05, 7,378.23 and 4,022.62 is: 5,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.05 : 7,378.23 = 4,022.62 : x
  2. Step 2: Convert to fraction form
    5,345.05/7,378.23 = 4,022.62/x
  3. Step 3: Cross multiply
    5,345.05x = 7,378.23 × 4,022.62
  4. Step 4: Simplify right side
    5,345.05x = 29,679,815.56
  5. Step 5: Solve for x
    x = 29,679,815.56/5,345.05
  6. Step 6: Final answer
    x = 5,552.77

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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.