Home / 2,938.57-4,055.18-1,612.27

Finding the Fourth Proportional to 2,938.57, 4,055.18 and 1,612.27

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Solution

The fourth proportional to 2,938.57, 4,055.18 and 1,612.27 is: 2,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.57 : 4,055.18 = 1,612.27 : x
  2. Step 2: Convert to fraction form
    2,938.57/4,055.18 = 1,612.27/x
  3. Step 3: Cross multiply
    2,938.57x = 4,055.18 × 1,612.27
  4. Step 4: Simplify right side
    2,938.57x = 6,538,045.06
  5. Step 5: Solve for x
    x = 6,538,045.06/2,938.57
  6. Step 6: Final answer
    x = 2,224.91

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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.