Home / 7,301.12-10,076.24-4,157.60

Finding the Fourth Proportional to 7,301.12, 10,076.24 and 4,157.60

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Solution

The fourth proportional to 7,301.12, 10,076.24 and 4,157.60 is: 5,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.12 : 10,076.24 = 4,157.60 : x
  2. Step 2: Convert to fraction form
    7,301.12/10,076.24 = 4,157.60/x
  3. Step 3: Cross multiply
    7,301.12x = 10,076.24 × 4,157.60
  4. Step 4: Simplify right side
    7,301.12x = 41,892,975.42
  5. Step 5: Solve for x
    x = 41,892,975.42/7,301.12
  6. Step 6: Final answer
    x = 5,737.88

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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.