Home / 2,558.68-3,818.87-2,353.48

Finding the Fourth Proportional to 2,558.68, 3,818.87 and 2,353.48

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Solution

The fourth proportional to 2,558.68, 3,818.87 and 2,353.48 is: 3,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.68 : 3,818.87 = 2,353.48 : x
  2. Step 2: Convert to fraction form
    2,558.68/3,818.87 = 2,353.48/x
  3. Step 3: Cross multiply
    2,558.68x = 3,818.87 × 2,353.48
  4. Step 4: Simplify right side
    2,558.68x = 8,987,634.17
  5. Step 5: Solve for x
    x = 8,987,634.17/2,558.68
  6. Step 6: Final answer
    x = 3,512.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.