Home / 7,153.46-10,730.20-2,770.92

Finding the Fourth Proportional to 7,153.46, 10,730.20 and 2,770.92

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Solution

The fourth proportional to 7,153.46, 10,730.20 and 2,770.92 is: 4,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.46 : 10,730.20 = 2,770.92 : x
  2. Step 2: Convert to fraction form
    7,153.46/10,730.20 = 2,770.92/x
  3. Step 3: Cross multiply
    7,153.46x = 10,730.20 × 2,770.92
  4. Step 4: Simplify right side
    7,153.46x = 29,732,525.78
  5. Step 5: Solve for x
    x = 29,732,525.78/7,153.46
  6. Step 6: Final answer
    x = 4,156.38

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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.