Home / 4,923.90-6,790.65-3,874.14

Finding the Fourth Proportional to 4,923.90, 6,790.65 and 3,874.14

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Solution

The fourth proportional to 4,923.90, 6,790.65 and 3,874.14 is: 5,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.90 : 6,790.65 = 3,874.14 : x
  2. Step 2: Convert to fraction form
    4,923.90/6,790.65 = 3,874.14/x
  3. Step 3: Cross multiply
    4,923.90x = 6,790.65 × 3,874.14
  4. Step 4: Simplify right side
    4,923.90x = 26,307,928.79
  5. Step 5: Solve for x
    x = 26,307,928.79/4,923.90
  6. Step 6: Final answer
    x = 5,342.90

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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.