Home / 2,939.24-4,056.20-1,612.99

Finding the Fourth Proportional to 2,939.24, 4,056.20 and 1,612.99

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Solution

The fourth proportional to 2,939.24, 4,056.20 and 1,612.99 is: 2,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.24 : 4,056.20 = 1,612.99 : x
  2. Step 2: Convert to fraction form
    2,939.24/4,056.20 = 1,612.99/x
  3. Step 3: Cross multiply
    2,939.24x = 4,056.20 × 1,612.99
  4. Step 4: Simplify right side
    2,939.24x = 6,542,606.22
  5. Step 5: Solve for x
    x = 6,542,606.22/2,939.24
  6. Step 6: Final answer
    x = 2,225.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.