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Finding the Fourth Proportional to 4,607.42, 6,925.71 and 3,965.90

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Solution

The fourth proportional to 4,607.42, 6,925.71 and 3,965.90 is: 5,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.42 : 6,925.71 = 3,965.90 : x
  2. Step 2: Convert to fraction form
    4,607.42/6,925.71 = 3,965.90/x
  3. Step 3: Cross multiply
    4,607.42x = 6,925.71 × 3,965.90
  4. Step 4: Simplify right side
    4,607.42x = 27,466,673.29
  5. Step 5: Solve for x
    x = 27,466,673.29/4,607.42
  6. Step 6: Final answer
    x = 5,961.40

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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.