Home / 5,434.76-8,143.62-3,967.16

Finding the Fourth Proportional to 5,434.76, 8,143.62 and 3,967.16

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Solution

The fourth proportional to 5,434.76, 8,143.62 and 3,967.16 is: 5,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.76 : 8,143.62 = 3,967.16 : x
  2. Step 2: Convert to fraction form
    5,434.76/8,143.62 = 3,967.16/x
  3. Step 3: Cross multiply
    5,434.76x = 8,143.62 × 3,967.16
  4. Step 4: Simplify right side
    5,434.76x = 32,307,043.52
  5. Step 5: Solve for x
    x = 32,307,043.52/5,434.76
  6. Step 6: Final answer
    x = 5,944.52

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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.