Home / 7,117.82-10,683.29-3,610.28

Finding the Fourth Proportional to 7,117.82, 10,683.29 and 3,610.28

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Solution

The fourth proportional to 7,117.82, 10,683.29 and 3,610.28 is: 5,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.82 : 10,683.29 = 3,610.28 : x
  2. Step 2: Convert to fraction form
    7,117.82/10,683.29 = 3,610.28/x
  3. Step 3: Cross multiply
    7,117.82x = 10,683.29 × 3,610.28
  4. Step 4: Simplify right side
    7,117.82x = 38,569,676.88
  5. Step 5: Solve for x
    x = 38,569,676.88/7,117.82
  6. Step 6: Final answer
    x = 5,418.75

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1.5x scale

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.