Home / 3,495.07-5,235-2,190.16

Finding the Fourth Proportional to 3,495.07, 5,235 and 2,190.16

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Solution

The fourth proportional to 3,495.07, 5,235 and 2,190.16 is: 3,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.07 : 5,235 = 2,190.16 : x
  2. Step 2: Convert to fraction form
    3,495.07/5,235 = 2,190.16/x
  3. Step 3: Cross multiply
    3,495.07x = 5,235 × 2,190.16
  4. Step 4: Simplify right side
    3,495.07x = 11,465,487.60
  5. Step 5: Solve for x
    x = 11,465,487.60/3,495.07
  6. Step 6: Final answer
    x = 3,280.47

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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.