Home / 5,226.32-7,212.24-2,988.23

Finding the Fourth Proportional to 5,226.32, 7,212.24 and 2,988.23

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Solution

The fourth proportional to 5,226.32, 7,212.24 and 2,988.23 is: 4,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.32 : 7,212.24 = 2,988.23 : x
  2. Step 2: Convert to fraction form
    5,226.32/7,212.24 = 2,988.23/x
  3. Step 3: Cross multiply
    5,226.32x = 7,212.24 × 2,988.23
  4. Step 4: Simplify right side
    5,226.32x = 21,551,795.87
  5. Step 5: Solve for x
    x = 21,551,795.87/5,226.32
  6. Step 6: Final answer
    x = 4,123.70

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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.