Home / 5,201.16-7,178.10-2,963.76

Finding the Fourth Proportional to 5,201.16, 7,178.10 and 2,963.76

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Solution

The fourth proportional to 5,201.16, 7,178.10 and 2,963.76 is: 4,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.16 : 7,178.10 = 2,963.76 : x
  2. Step 2: Convert to fraction form
    5,201.16/7,178.10 = 2,963.76/x
  3. Step 3: Cross multiply
    5,201.16x = 7,178.10 × 2,963.76
  4. Step 4: Simplify right side
    5,201.16x = 21,274,165.66
  5. Step 5: Solve for x
    x = 21,274,165.66/5,201.16
  6. Step 6: Final answer
    x = 4,090.27

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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.