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Finding the Fourth Proportional to 4,807.32, 7,210.98 and 2,629.86

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Solution

The fourth proportional to 4,807.32, 7,210.98 and 2,629.86 is: 3,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.32 : 7,210.98 = 2,629.86 : x
  2. Step 2: Convert to fraction form
    4,807.32/7,210.98 = 2,629.86/x
  3. Step 3: Cross multiply
    4,807.32x = 7,210.98 × 2,629.86
  4. Step 4: Simplify right side
    4,807.32x = 18,963,867.86
  5. Step 5: Solve for x
    x = 18,963,867.86/4,807.32
  6. Step 6: Final answer
    x = 3,944.79

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Similar ratio
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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.