Home / 3,957.68-5,461.61-2,256.13

Finding the Fourth Proportional to 3,957.68, 5,461.61 and 2,256.13

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Solution

The fourth proportional to 3,957.68, 5,461.61 and 2,256.13 is: 3,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.68 : 5,461.61 = 2,256.13 : x
  2. Step 2: Convert to fraction form
    3,957.68/5,461.61 = 2,256.13/x
  3. Step 3: Cross multiply
    3,957.68x = 5,461.61 × 2,256.13
  4. Step 4: Simplify right side
    3,957.68x = 12,322,113.39
  5. Step 5: Solve for x
    x = 12,322,113.39/3,957.68
  6. Step 6: Final answer
    x = 3,113.47

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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.