Home / 5,097.21-7,035.39-3,108.87

Finding the Fourth Proportional to 5,097.21, 7,035.39 and 3,108.87

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Solution

The fourth proportional to 5,097.21, 7,035.39 and 3,108.87 is: 4,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.21 : 7,035.39 = 3,108.87 : x
  2. Step 2: Convert to fraction form
    5,097.21/7,035.39 = 3,108.87/x
  3. Step 3: Cross multiply
    5,097.21x = 7,035.39 × 3,108.87
  4. Step 4: Simplify right side
    5,097.21x = 21,872,112.91
  5. Step 5: Solve for x
    x = 21,872,112.91/5,097.21
  6. Step 6: Final answer
    x = 4,291.00

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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.