Home / 6,214.39-8,572.10-3,975.48

Finding the Fourth Proportional to 6,214.39, 8,572.10 and 3,975.48

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Solution

The fourth proportional to 6,214.39, 8,572.10 and 3,975.48 is: 5,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.39 : 8,572.10 = 3,975.48 : x
  2. Step 2: Convert to fraction form
    6,214.39/8,572.10 = 3,975.48/x
  3. Step 3: Cross multiply
    6,214.39x = 8,572.10 × 3,975.48
  4. Step 4: Simplify right side
    6,214.39x = 34,078,192.23
  5. Step 5: Solve for x
    x = 34,078,192.23/6,214.39
  6. Step 6: Final answer
    x = 5,483.76

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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.