Home / 5,330.13-7,356.05-2,940.49

Finding the Fourth Proportional to 5,330.13, 7,356.05 and 2,940.49

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Solution

The fourth proportional to 5,330.13, 7,356.05 and 2,940.49 is: 4,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.13 : 7,356.05 = 2,940.49 : x
  2. Step 2: Convert to fraction form
    5,330.13/7,356.05 = 2,940.49/x
  3. Step 3: Cross multiply
    5,330.13x = 7,356.05 × 2,940.49
  4. Step 4: Simplify right side
    5,330.13x = 21,630,391.46
  5. Step 5: Solve for x
    x = 21,630,391.46/5,330.13
  6. Step 6: Final answer
    x = 4,058.14

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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.