Home / 3,040.06-4,561.51-2,990.92

Finding the Fourth Proportional to 3,040.06, 4,561.51 and 2,990.92

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Solution

The fourth proportional to 3,040.06, 4,561.51 and 2,990.92 is: 4,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.06 : 4,561.51 = 2,990.92 : x
  2. Step 2: Convert to fraction form
    3,040.06/4,561.51 = 2,990.92/x
  3. Step 3: Cross multiply
    3,040.06x = 4,561.51 × 2,990.92
  4. Step 4: Simplify right side
    3,040.06x = 13,643,096.53
  5. Step 5: Solve for x
    x = 13,643,096.53/3,040.06
  6. Step 6: Final answer
    x = 4,487.77

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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.