Home / 7,860.14-11,790.57-2,595.61

Finding the Fourth Proportional to 7,860.14, 11,790.57 and 2,595.61

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Solution

The fourth proportional to 7,860.14, 11,790.57 and 2,595.61 is: 3,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.14 : 11,790.57 = 2,595.61 : x
  2. Step 2: Convert to fraction form
    7,860.14/11,790.57 = 2,595.61/x
  3. Step 3: Cross multiply
    7,860.14x = 11,790.57 × 2,595.61
  4. Step 4: Simplify right side
    7,860.14x = 30,603,721.40
  5. Step 5: Solve for x
    x = 30,603,721.40/7,860.14
  6. Step 6: Final answer
    x = 3,893.53

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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.