Home / 5,355.42-7,390.32-2,965.48

Finding the Fourth Proportional to 5,355.42, 7,390.32 and 2,965.48

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Solution

The fourth proportional to 5,355.42, 7,390.32 and 2,965.48 is: 4,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.42 : 7,390.32 = 2,965.48 : x
  2. Step 2: Convert to fraction form
    5,355.42/7,390.32 = 2,965.48/x
  3. Step 3: Cross multiply
    5,355.42x = 7,390.32 × 2,965.48
  4. Step 4: Simplify right side
    5,355.42x = 21,915,846.15
  5. Step 5: Solve for x
    x = 21,915,846.15/5,355.42
  6. Step 6: Final answer
    x = 4,092.27

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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.