Home / 4,989.32-7,475.14-4,692.99

Finding the Fourth Proportional to 4,989.32, 7,475.14 and 4,692.99

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Solution

The fourth proportional to 4,989.32, 7,475.14 and 4,692.99 is: 7,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.32 : 7,475.14 = 4,692.99 : x
  2. Step 2: Convert to fraction form
    4,989.32/7,475.14 = 4,692.99/x
  3. Step 3: Cross multiply
    4,989.32x = 7,475.14 × 4,692.99
  4. Step 4: Simplify right side
    4,989.32x = 35,080,757.27
  5. Step 5: Solve for x
    x = 35,080,757.27/4,989.32
  6. Step 6: Final answer
    x = 7,031.17

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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.