Home / 7,077.05-10,617.35-2,692.11

Finding the Fourth Proportional to 7,077.05, 10,617.35 and 2,692.11

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Solution

The fourth proportional to 7,077.05, 10,617.35 and 2,692.11 is: 4,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.05 : 10,617.35 = 2,692.11 : x
  2. Step 2: Convert to fraction form
    7,077.05/10,617.35 = 2,692.11/x
  3. Step 3: Cross multiply
    7,077.05x = 10,617.35 × 2,692.11
  4. Step 4: Simplify right side
    7,077.05x = 28,583,074.11
  5. Step 5: Solve for x
    x = 28,583,074.11/7,077.05
  6. Step 6: Final answer
    x = 4,038.84

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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.