Home / 5,362.38-8,040.69-1,663.62

Finding the Fourth Proportional to 5,362.38, 8,040.69 and 1,663.62

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Solution

The fourth proportional to 5,362.38, 8,040.69 and 1,663.62 is: 2,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.38 : 8,040.69 = 1,663.62 : x
  2. Step 2: Convert to fraction form
    5,362.38/8,040.69 = 1,663.62/x
  3. Step 3: Cross multiply
    5,362.38x = 8,040.69 × 1,663.62
  4. Step 4: Simplify right side
    5,362.38x = 13,376,652.70
  5. Step 5: Solve for x
    x = 13,376,652.70/5,362.38
  6. Step 6: Final answer
    x = 2,494.54

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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.