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Finding the Fourth Proportional to 4,671.42, 7,007.90 and 1,551.46

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Solution

The fourth proportional to 4,671.42, 7,007.90 and 1,551.46 is: 2,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.42 : 7,007.90 = 1,551.46 : x
  2. Step 2: Convert to fraction form
    4,671.42/7,007.90 = 1,551.46/x
  3. Step 3: Cross multiply
    4,671.42x = 7,007.90 × 1,551.46
  4. Step 4: Simplify right side
    4,671.42x = 10,872,476.53
  5. Step 5: Solve for x
    x = 10,872,476.53/4,671.42
  6. Step 6: Final answer
    x = 2,327.45

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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.