Home / 5,388.36-8,071.84-4,151.48

Finding the Fourth Proportional to 5,388.36, 8,071.84 and 4,151.48

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Solution

The fourth proportional to 5,388.36, 8,071.84 and 4,151.48 is: 6,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.36 : 8,071.84 = 4,151.48 : x
  2. Step 2: Convert to fraction form
    5,388.36/8,071.84 = 4,151.48/x
  3. Step 3: Cross multiply
    5,388.36x = 8,071.84 × 4,151.48
  4. Step 4: Simplify right side
    5,388.36x = 33,510,082.32
  5. Step 5: Solve for x
    x = 33,510,082.32/5,388.36
  6. Step 6: Final answer
    x = 6,218.98

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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.