Home / 5,049.82-7,574.64-1,587.07

Finding the Fourth Proportional to 5,049.82, 7,574.64 and 1,587.07

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Solution

The fourth proportional to 5,049.82, 7,574.64 and 1,587.07 is: 2,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.82 : 7,574.64 = 1,587.07 : x
  2. Step 2: Convert to fraction form
    5,049.82/7,574.64 = 1,587.07/x
  3. Step 3: Cross multiply
    5,049.82x = 7,574.64 × 1,587.07
  4. Step 4: Simplify right side
    5,049.82x = 12,021,450.00
  5. Step 5: Solve for x
    x = 12,021,450.00/5,049.82
  6. Step 6: Final answer
    x = 2,380.57

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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.