Home / 7,321.46-10,980.50-2,056.88

Finding the Fourth Proportional to 7,321.46, 10,980.50 and 2,056.88

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Solution

The fourth proportional to 7,321.46, 10,980.50 and 2,056.88 is: 3,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.46 : 10,980.50 = 2,056.88 : x
  2. Step 2: Convert to fraction form
    7,321.46/10,980.50 = 2,056.88/x
  3. Step 3: Cross multiply
    7,321.46x = 10,980.50 × 2,056.88
  4. Step 4: Simplify right side
    7,321.46x = 22,585,570.84
  5. Step 5: Solve for x
    x = 22,585,570.84/7,321.46
  6. Step 6: Final answer
    x = 3,084.85

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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.