Home / 7,714.81-11,575.05-3,767.68

Finding the Fourth Proportional to 7,714.81, 11,575.05 and 3,767.68

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Solution

The fourth proportional to 7,714.81, 11,575.05 and 3,767.68 is: 5,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.81 : 11,575.05 = 3,767.68 : x
  2. Step 2: Convert to fraction form
    7,714.81/11,575.05 = 3,767.68/x
  3. Step 3: Cross multiply
    7,714.81x = 11,575.05 × 3,767.68
  4. Step 4: Simplify right side
    7,714.81x = 43,611,084.38
  5. Step 5: Solve for x
    x = 43,611,084.38/7,714.81
  6. Step 6: Final answer
    x = 5,652.90

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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.