Home / 5,035.89-6,950.25-3,149.40

Finding the Fourth Proportional to 5,035.89, 6,950.25 and 3,149.40

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Solution

The fourth proportional to 5,035.89, 6,950.25 and 3,149.40 is: 4,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.89 : 6,950.25 = 3,149.40 : x
  2. Step 2: Convert to fraction form
    5,035.89/6,950.25 = 3,149.40/x
  3. Step 3: Cross multiply
    5,035.89x = 6,950.25 × 3,149.40
  4. Step 4: Simplify right side
    5,035.89x = 21,889,117.35
  5. Step 5: Solve for x
    x = 21,889,117.35/5,035.89
  6. Step 6: Final answer
    x = 4,346.62

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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.