Home / 5,089.46-7,636.67-2,490.98

Finding the Fourth Proportional to 5,089.46, 7,636.67 and 2,490.98

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Solution

The fourth proportional to 5,089.46, 7,636.67 and 2,490.98 is: 3,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.46 : 7,636.67 = 2,490.98 : x
  2. Step 2: Convert to fraction form
    5,089.46/7,636.67 = 2,490.98/x
  3. Step 3: Cross multiply
    5,089.46x = 7,636.67 × 2,490.98
  4. Step 4: Simplify right side
    5,089.46x = 19,022,792.24
  5. Step 5: Solve for x
    x = 19,022,792.24/5,089.46
  6. Step 6: Final answer
    x = 3,737.68

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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.