Home / 7,078.75-10,618.14-2,461.75

Finding the Fourth Proportional to 7,078.75, 10,618.14 and 2,461.75

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Solution

The fourth proportional to 7,078.75, 10,618.14 and 2,461.75 is: 3,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.75 : 10,618.14 = 2,461.75 : x
  2. Step 2: Convert to fraction form
    7,078.75/10,618.14 = 2,461.75/x
  3. Step 3: Cross multiply
    7,078.75x = 10,618.14 × 2,461.75
  4. Step 4: Simplify right side
    7,078.75x = 26,139,206.15
  5. Step 5: Solve for x
    x = 26,139,206.15/7,078.75
  6. Step 6: Final answer
    x = 3,692.63

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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.