Home / 3,951.36-5,453.58-2,358.12

Finding the Fourth Proportional to 3,951.36, 5,453.58 and 2,358.12

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Solution

The fourth proportional to 3,951.36, 5,453.58 and 2,358.12 is: 3,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.36 : 5,453.58 = 2,358.12 : x
  2. Step 2: Convert to fraction form
    3,951.36/5,453.58 = 2,358.12/x
  3. Step 3: Cross multiply
    3,951.36x = 5,453.58 × 2,358.12
  4. Step 4: Simplify right side
    3,951.36x = 12,860,196.07
  5. Step 5: Solve for x
    x = 12,860,196.07/3,951.36
  6. Step 6: Final answer
    x = 3,254.63

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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.