Home / 7,790.19-11,679.41-4,037.93

Finding the Fourth Proportional to 7,790.19, 11,679.41 and 4,037.93

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Solution

The fourth proportional to 7,790.19, 11,679.41 and 4,037.93 is: 6,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.19 : 11,679.41 = 4,037.93 : x
  2. Step 2: Convert to fraction form
    7,790.19/11,679.41 = 4,037.93/x
  3. Step 3: Cross multiply
    7,790.19x = 11,679.41 × 4,037.93
  4. Step 4: Simplify right side
    7,790.19x = 47,160,679.31
  5. Step 5: Solve for x
    x = 47,160,679.31/7,790.19
  6. Step 6: Final answer
    x = 6,053.85

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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.