Home / 3,655.05-5,478.36-1,703.13

Finding the Fourth Proportional to 3,655.05, 5,478.36 and 1,703.13

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Solution

The fourth proportional to 3,655.05, 5,478.36 and 1,703.13 is: 2,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.05 : 5,478.36 = 1,703.13 : x
  2. Step 2: Convert to fraction form
    3,655.05/5,478.36 = 1,703.13/x
  3. Step 3: Cross multiply
    3,655.05x = 5,478.36 × 1,703.13
  4. Step 4: Simplify right side
    3,655.05x = 9,330,359.27
  5. Step 5: Solve for x
    x = 9,330,359.27/3,655.05
  6. Step 6: Final answer
    x = 2,552.73

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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.