Home / 5,188.22-7,157.46-3,509.01

Finding the Fourth Proportional to 5,188.22, 7,157.46 and 3,509.01

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Solution

The fourth proportional to 5,188.22, 7,157.46 and 3,509.01 is: 4,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.22 : 7,157.46 = 3,509.01 : x
  2. Step 2: Convert to fraction form
    5,188.22/7,157.46 = 3,509.01/x
  3. Step 3: Cross multiply
    5,188.22x = 7,157.46 × 3,509.01
  4. Step 4: Simplify right side
    5,188.22x = 25,115,562.93
  5. Step 5: Solve for x
    x = 25,115,562.93/5,188.22
  6. Step 6: Final answer
    x = 4,840.88

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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.