Home / 2,957.88-4,438.59-2,655.33

Finding the Fourth Proportional to 2,957.88, 4,438.59 and 2,655.33

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Solution

The fourth proportional to 2,957.88, 4,438.59 and 2,655.33 is: 3,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.88 : 4,438.59 = 2,655.33 : x
  2. Step 2: Convert to fraction form
    2,957.88/4,438.59 = 2,655.33/x
  3. Step 3: Cross multiply
    2,957.88x = 4,438.59 × 2,655.33
  4. Step 4: Simplify right side
    2,957.88x = 11,785,921.18
  5. Step 5: Solve for x
    x = 11,785,921.18/2,957.88
  6. Step 6: Final answer
    x = 3,984.58

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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.