Home / 5,495.38-7,581.74-3,135.82

Finding the Fourth Proportional to 5,495.38, 7,581.74 and 3,135.82

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Solution

The fourth proportional to 5,495.38, 7,581.74 and 3,135.82 is: 4,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.38 : 7,581.74 = 3,135.82 : x
  2. Step 2: Convert to fraction form
    5,495.38/7,581.74 = 3,135.82/x
  3. Step 3: Cross multiply
    5,495.38x = 7,581.74 × 3,135.82
  4. Step 4: Simplify right side
    5,495.38x = 23,774,971.93
  5. Step 5: Solve for x
    x = 23,774,971.93/5,495.38
  6. Step 6: Final answer
    x = 4,326.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.