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Finding the Fourth Proportional to 5,236.41, 7,890.62 and 4,332.28

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Solution

The fourth proportional to 5,236.41, 7,890.62 and 4,332.28 is: 6,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.41 : 7,890.62 = 4,332.28 : x
  2. Step 2: Convert to fraction form
    5,236.41/7,890.62 = 4,332.28/x
  3. Step 3: Cross multiply
    5,236.41x = 7,890.62 × 4,332.28
  4. Step 4: Simplify right side
    5,236.41x = 34,184,375.21
  5. Step 5: Solve for x
    x = 34,184,375.21/5,236.41
  6. Step 6: Final answer
    x = 6,528.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.