Home / 5,148.36-7,096.87-3,155.22

Finding the Fourth Proportional to 5,148.36, 7,096.87 and 3,155.22

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Solution

The fourth proportional to 5,148.36, 7,096.87 and 3,155.22 is: 4,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.36 : 7,096.87 = 3,155.22 : x
  2. Step 2: Convert to fraction form
    5,148.36/7,096.87 = 3,155.22/x
  3. Step 3: Cross multiply
    5,148.36x = 7,096.87 × 3,155.22
  4. Step 4: Simplify right side
    5,148.36x = 22,392,186.16
  5. Step 5: Solve for x
    x = 22,392,186.16/5,148.36
  6. Step 6: Final answer
    x = 4,349.38

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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.