Home / 5,330.47-7,356.09-2,940.39

Finding the Fourth Proportional to 5,330.47, 7,356.09 and 2,940.39

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Solution

The fourth proportional to 5,330.47, 7,356.09 and 2,940.39 is: 4,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.47 : 7,356.09 = 2,940.39 : x
  2. Step 2: Convert to fraction form
    5,330.47/7,356.09 = 2,940.39/x
  3. Step 3: Cross multiply
    5,330.47x = 7,356.09 × 2,940.39
  4. Step 4: Simplify right side
    5,330.47x = 21,629,773.48
  5. Step 5: Solve for x
    x = 21,629,773.48/5,330.47
  6. Step 6: Final answer
    x = 4,057.76

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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.