Home / 7,050.02-9,729.04-3,906.14

Finding the Fourth Proportional to 7,050.02, 9,729.04 and 3,906.14

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Solution

The fourth proportional to 7,050.02, 9,729.04 and 3,906.14 is: 5,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.02 : 9,729.04 = 3,906.14 : x
  2. Step 2: Convert to fraction form
    7,050.02/9,729.04 = 3,906.14/x
  3. Step 3: Cross multiply
    7,050.02x = 9,729.04 × 3,906.14
  4. Step 4: Simplify right side
    7,050.02x = 38,002,992.31
  5. Step 5: Solve for x
    x = 38,002,992.31/7,050.02
  6. Step 6: Final answer
    x = 5,390.48

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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.