Home / 4,937.20-7,409.40-3,293.20

Finding the Fourth Proportional to 4,937.20, 7,409.40 and 3,293.20

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Solution

The fourth proportional to 4,937.20, 7,409.40 and 3,293.20 is: 4,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.20 : 7,409.40 = 3,293.20 : x
  2. Step 2: Convert to fraction form
    4,937.20/7,409.40 = 3,293.20/x
  3. Step 3: Cross multiply
    4,937.20x = 7,409.40 × 3,293.20
  4. Step 4: Simplify right side
    4,937.20x = 24,400,636.08
  5. Step 5: Solve for x
    x = 24,400,636.08/4,937.20
  6. Step 6: Final answer
    x = 4,942.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.