Home / 5,110.76-7,665.77-1,362.25

Finding the Fourth Proportional to 5,110.76, 7,665.77 and 1,362.25

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Solution

The fourth proportional to 5,110.76, 7,665.77 and 1,362.25 is: 2,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.76 : 7,665.77 = 1,362.25 : x
  2. Step 2: Convert to fraction form
    5,110.76/7,665.77 = 1,362.25/x
  3. Step 3: Cross multiply
    5,110.76x = 7,665.77 × 1,362.25
  4. Step 4: Simplify right side
    5,110.76x = 10,442,708.17
  5. Step 5: Solve for x
    x = 10,442,708.17/5,110.76
  6. Step 6: Final answer
    x = 2,043.28

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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.