Home / 5,635.31-8,450.53-2,170.13

Finding the Fourth Proportional to 5,635.31, 8,450.53 and 2,170.13

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Solution

The fourth proportional to 5,635.31, 8,450.53 and 2,170.13 is: 3,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.31 : 8,450.53 = 2,170.13 : x
  2. Step 2: Convert to fraction form
    5,635.31/8,450.53 = 2,170.13/x
  3. Step 3: Cross multiply
    5,635.31x = 8,450.53 × 2,170.13
  4. Step 4: Simplify right side
    5,635.31x = 18,338,700.99
  5. Step 5: Solve for x
    x = 18,338,700.99/5,635.31
  6. Step 6: Final answer
    x = 3,254.25

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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.