Home / 7,101.06-10,652.94-3,150.78

Finding the Fourth Proportional to 7,101.06, 10,652.94 and 3,150.78

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Solution

The fourth proportional to 7,101.06, 10,652.94 and 3,150.78 is: 4,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.06 : 10,652.94 = 3,150.78 : x
  2. Step 2: Convert to fraction form
    7,101.06/10,652.94 = 3,150.78/x
  3. Step 3: Cross multiply
    7,101.06x = 10,652.94 × 3,150.78
  4. Step 4: Simplify right side
    7,101.06x = 33,565,070.29
  5. Step 5: Solve for x
    x = 33,565,070.29/7,101.06
  6. Step 6: Final answer
    x = 4,726.77

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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.