Home / 5,005.60-6,907.68-2,767.37

Finding the Fourth Proportional to 5,005.60, 6,907.68 and 2,767.37

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Solution

The fourth proportional to 5,005.60, 6,907.68 and 2,767.37 is: 3,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.60 : 6,907.68 = 2,767.37 : x
  2. Step 2: Convert to fraction form
    5,005.60/6,907.68 = 2,767.37/x
  3. Step 3: Cross multiply
    5,005.60x = 6,907.68 × 2,767.37
  4. Step 4: Simplify right side
    5,005.60x = 19,116,071.86
  5. Step 5: Solve for x
    x = 19,116,071.86/5,005.60
  6. Step 6: Final answer
    x = 3,818.94

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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.