Home / 5,252.39-7,878.80-2,443.86

Finding the Fourth Proportional to 5,252.39, 7,878.80 and 2,443.86

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Solution

The fourth proportional to 5,252.39, 7,878.80 and 2,443.86 is: 3,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.39 : 7,878.80 = 2,443.86 : x
  2. Step 2: Convert to fraction form
    5,252.39/7,878.80 = 2,443.86/x
  3. Step 3: Cross multiply
    5,252.39x = 7,878.80 × 2,443.86
  4. Step 4: Simplify right side
    5,252.39x = 19,254,684.17
  5. Step 5: Solve for x
    x = 19,254,684.17/5,252.39
  6. Step 6: Final answer
    x = 3,665.89

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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.