Home / 7,575.83-11,369.53-3,877.74

Finding the Fourth Proportional to 7,575.83, 11,369.53 and 3,877.74

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Solution

The fourth proportional to 7,575.83, 11,369.53 and 3,877.74 is: 5,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.83 : 11,369.53 = 3,877.74 : x
  2. Step 2: Convert to fraction form
    7,575.83/11,369.53 = 3,877.74/x
  3. Step 3: Cross multiply
    7,575.83x = 11,369.53 × 3,877.74
  4. Step 4: Simplify right side
    7,575.83x = 44,088,086.11
  5. Step 5: Solve for x
    x = 44,088,086.11/7,575.83
  6. Step 6: Final answer
    x = 5,819.57

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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.