Home / 7,654.21-11,482.41-2,722.68

Finding the Fourth Proportional to 7,654.21, 11,482.41 and 2,722.68

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Solution

The fourth proportional to 7,654.21, 11,482.41 and 2,722.68 is: 4,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.21 : 11,482.41 = 2,722.68 : x
  2. Step 2: Convert to fraction form
    7,654.21/11,482.41 = 2,722.68/x
  3. Step 3: Cross multiply
    7,654.21x = 11,482.41 × 2,722.68
  4. Step 4: Simplify right side
    7,654.21x = 31,262,928.06
  5. Step 5: Solve for x
    x = 31,262,928.06/7,654.21
  6. Step 6: Final answer
    x = 4,084.41

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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.