Home / 4,917.72-6,779.82-4,764.84

Finding the Fourth Proportional to 4,917.72, 6,779.82 and 4,764.84

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Solution

The fourth proportional to 4,917.72, 6,779.82 and 4,764.84 is: 6,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.72 : 6,779.82 = 4,764.84 : x
  2. Step 2: Convert to fraction form
    4,917.72/6,779.82 = 4,764.84/x
  3. Step 3: Cross multiply
    4,917.72x = 6,779.82 × 4,764.84
  4. Step 4: Simplify right side
    4,917.72x = 32,304,757.53
  5. Step 5: Solve for x
    x = 32,304,757.53/4,917.72
  6. Step 6: Final answer
    x = 6,569.05

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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.