Home / 4,904.88-6,786.48-4,276.72

Finding the Fourth Proportional to 4,904.88, 6,786.48 and 4,276.72

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Solution

The fourth proportional to 4,904.88, 6,786.48 and 4,276.72 is: 5,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.88 : 6,786.48 = 4,276.72 : x
  2. Step 2: Convert to fraction form
    4,904.88/6,786.48 = 4,276.72/x
  3. Step 3: Cross multiply
    4,904.88x = 6,786.48 × 4,276.72
  4. Step 4: Simplify right side
    4,904.88x = 29,023,874.75
  5. Step 5: Solve for x
    x = 29,023,874.75/4,904.88
  6. Step 6: Final answer
    x = 5,917.35

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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.