Home / 4,918.86-6,788.25-2,902.38

Finding the Fourth Proportional to 4,918.86, 6,788.25 and 2,902.38

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Solution

The fourth proportional to 4,918.86, 6,788.25 and 2,902.38 is: 4,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.86 : 6,788.25 = 2,902.38 : x
  2. Step 2: Convert to fraction form
    4,918.86/6,788.25 = 2,902.38/x
  3. Step 3: Cross multiply
    4,918.86x = 6,788.25 × 2,902.38
  4. Step 4: Simplify right side
    4,918.86x = 19,702,081.04
  5. Step 5: Solve for x
    x = 19,702,081.04/4,918.86
  6. Step 6: Final answer
    x = 4,005.42

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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.