Home / 4,790.86-6,611.48-2,902.75

Finding the Fourth Proportional to 4,790.86, 6,611.48 and 2,902.75

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Solution

The fourth proportional to 4,790.86, 6,611.48 and 2,902.75 is: 4,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.86 : 6,611.48 = 2,902.75 : x
  2. Step 2: Convert to fraction form
    4,790.86/6,611.48 = 2,902.75/x
  3. Step 3: Cross multiply
    4,790.86x = 6,611.48 × 2,902.75
  4. Step 4: Simplify right side
    4,790.86x = 19,191,473.57
  5. Step 5: Solve for x
    x = 19,191,473.57/4,790.86
  6. Step 6: Final answer
    x = 4,005.85

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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.