Home / 5,021.96-6,930.54-3,134.66

Finding the Fourth Proportional to 5,021.96, 6,930.54 and 3,134.66

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Solution

The fourth proportional to 5,021.96, 6,930.54 and 3,134.66 is: 4,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.96 : 6,930.54 = 3,134.66 : x
  2. Step 2: Convert to fraction form
    5,021.96/6,930.54 = 3,134.66/x
  3. Step 3: Cross multiply
    5,021.96x = 6,930.54 × 3,134.66
  4. Step 4: Simplify right side
    5,021.96x = 21,724,886.52
  5. Step 5: Solve for x
    x = 21,724,886.52/5,021.96
  6. Step 6: Final answer
    x = 4,325.98

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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.