Home / 7,190.09-10,786.18-3,492.53

Finding the Fourth Proportional to 7,190.09, 10,786.18 and 3,492.53

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Solution

The fourth proportional to 7,190.09, 10,786.18 and 3,492.53 is: 5,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.09 : 10,786.18 = 3,492.53 : x
  2. Step 2: Convert to fraction form
    7,190.09/10,786.18 = 3,492.53/x
  3. Step 3: Cross multiply
    7,190.09x = 10,786.18 × 3,492.53
  4. Step 4: Simplify right side
    7,190.09x = 37,671,057.24
  5. Step 5: Solve for x
    x = 37,671,057.24/7,190.09
  6. Step 6: Final answer
    x = 5,239.30

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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.