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Finding the Fourth Proportional to 4,612.59, 6,915.02 and 3,951.81

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Solution

The fourth proportional to 4,612.59, 6,915.02 and 3,951.81 is: 5,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.59 : 6,915.02 = 3,951.81 : x
  2. Step 2: Convert to fraction form
    4,612.59/6,915.02 = 3,951.81/x
  3. Step 3: Cross multiply
    4,612.59x = 6,915.02 × 3,951.81
  4. Step 4: Simplify right side
    4,612.59x = 27,326,825.43
  5. Step 5: Solve for x
    x = 27,326,825.43/4,612.59
  6. Step 6: Final answer
    x = 5,924.40

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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.