Home / 7,050.13-9,729.06-3,906.37

Finding the Fourth Proportional to 7,050.13, 9,729.06 and 3,906.37

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Solution

The fourth proportional to 7,050.13, 9,729.06 and 3,906.37 is: 5,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.13 : 9,729.06 = 3,906.37 : x
  2. Step 2: Convert to fraction form
    7,050.13/9,729.06 = 3,906.37/x
  3. Step 3: Cross multiply
    7,050.13x = 9,729.06 × 3,906.37
  4. Step 4: Simplify right side
    7,050.13x = 38,005,308.11
  5. Step 5: Solve for x
    x = 38,005,308.11/7,050.13
  6. Step 6: Final answer
    x = 5,390.72

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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.