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Finding the Fourth Proportional to 4,762.71, 7,145.51 and 2,132.41

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Solution

The fourth proportional to 4,762.71, 7,145.51 and 2,132.41 is: 3,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.71 : 7,145.51 = 2,132.41 : x
  2. Step 2: Convert to fraction form
    4,762.71/7,145.51 = 2,132.41/x
  3. Step 3: Cross multiply
    4,762.71x = 7,145.51 × 2,132.41
  4. Step 4: Simplify right side
    4,762.71x = 15,237,156.98
  5. Step 5: Solve for x
    x = 15,237,156.98/4,762.71
  6. Step 6: Final answer
    x = 3,199.26

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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.