Home / 2,939.15-4,056.01-1,612.87

Finding the Fourth Proportional to 2,939.15, 4,056.01 and 1,612.87

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Solution

The fourth proportional to 2,939.15, 4,056.01 and 1,612.87 is: 2,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.15 : 4,056.01 = 1,612.87 : x
  2. Step 2: Convert to fraction form
    2,939.15/4,056.01 = 1,612.87/x
  3. Step 3: Cross multiply
    2,939.15x = 4,056.01 × 1,612.87
  4. Step 4: Simplify right side
    2,939.15x = 6,541,822.06
  5. Step 5: Solve for x
    x = 6,541,822.06/2,939.15
  6. Step 6: Final answer
    x = 2,225.76

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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.