Home / 2,130.08-3,196.08-1,035.44

Finding the Fourth Proportional to 2,130.08, 3,196.08 and 1,035.44

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Solution

The fourth proportional to 2,130.08, 3,196.08 and 1,035.44 is: 1,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.08 : 3,196.08 = 1,035.44 : x
  2. Step 2: Convert to fraction form
    2,130.08/3,196.08 = 1,035.44/x
  3. Step 3: Cross multiply
    2,130.08x = 3,196.08 × 1,035.44
  4. Step 4: Simplify right side
    2,130.08x = 3,309,349.08
  5. Step 5: Solve for x
    x = 3,309,349.08/2,130.08
  6. Step 6: Final answer
    x = 1,553.63

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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.