Home / 5,353.85-7,388.31-2,995.98

Finding the Fourth Proportional to 5,353.85, 7,388.31 and 2,995.98

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Solution

The fourth proportional to 5,353.85, 7,388.31 and 2,995.98 is: 4,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.85 : 7,388.31 = 2,995.98 : x
  2. Step 2: Convert to fraction form
    5,353.85/7,388.31 = 2,995.98/x
  3. Step 3: Cross multiply
    5,353.85x = 7,388.31 × 2,995.98
  4. Step 4: Simplify right side
    5,353.85x = 22,135,228.99
  5. Step 5: Solve for x
    x = 22,135,228.99/5,353.85
  6. Step 6: Final answer
    x = 4,134.45

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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.