Home / 7,701.09-11,551.74-2,770.86

Finding the Fourth Proportional to 7,701.09, 11,551.74 and 2,770.86

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Solution

The fourth proportional to 7,701.09, 11,551.74 and 2,770.86 is: 4,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.09 : 11,551.74 = 2,770.86 : x
  2. Step 2: Convert to fraction form
    7,701.09/11,551.74 = 2,770.86/x
  3. Step 3: Cross multiply
    7,701.09x = 11,551.74 × 2,770.86
  4. Step 4: Simplify right side
    7,701.09x = 32,008,254.30
  5. Step 5: Solve for x
    x = 32,008,254.30/7,701.09
  6. Step 6: Final answer
    x = 4,156.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.