Home / 5,438.01-8,157.38-1,740.54

Finding the Fourth Proportional to 5,438.01, 8,157.38 and 1,740.54

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Solution

The fourth proportional to 5,438.01, 8,157.38 and 1,740.54 is: 2,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.01 : 8,157.38 = 1,740.54 : x
  2. Step 2: Convert to fraction form
    5,438.01/8,157.38 = 1,740.54/x
  3. Step 3: Cross multiply
    5,438.01x = 8,157.38 × 1,740.54
  4. Step 4: Simplify right side
    5,438.01x = 14,198,237.48
  5. Step 5: Solve for x
    x = 14,198,237.48/5,438.01
  6. Step 6: Final answer
    x = 2,610.93

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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.