Home / 5,330.42-7,355.87-2,940.60

Finding the Fourth Proportional to 5,330.42, 7,355.87 and 2,940.60

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Solution

The fourth proportional to 5,330.42, 7,355.87 and 2,940.60 is: 4,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.42 : 7,355.87 = 2,940.60 : x
  2. Step 2: Convert to fraction form
    5,330.42/7,355.87 = 2,940.60/x
  3. Step 3: Cross multiply
    5,330.42x = 7,355.87 × 2,940.60
  4. Step 4: Simplify right side
    5,330.42x = 21,630,695.23
  5. Step 5: Solve for x
    x = 21,630,695.23/5,330.42
  6. Step 6: Final answer
    x = 4,057.98

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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.