Home / 5,072.72-7,574.80-4,150.08

Finding the Fourth Proportional to 5,072.72, 7,574.80 and 4,150.08

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Solution

The fourth proportional to 5,072.72, 7,574.80 and 4,150.08 is: 6,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.72 : 7,574.80 = 4,150.08 : x
  2. Step 2: Convert to fraction form
    5,072.72/7,574.80 = 4,150.08/x
  3. Step 3: Cross multiply
    5,072.72x = 7,574.80 × 4,150.08
  4. Step 4: Simplify right side
    5,072.72x = 31,436,025.98
  5. Step 5: Solve for x
    x = 31,436,025.98/5,072.72
  6. Step 6: Final answer
    x = 6,197.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.