Home / 7,450.16-11,175.78-2,520.32

Finding the Fourth Proportional to 7,450.16, 11,175.78 and 2,520.32

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Solution

The fourth proportional to 7,450.16, 11,175.78 and 2,520.32 is: 3,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.16 : 11,175.78 = 2,520.32 : x
  2. Step 2: Convert to fraction form
    7,450.16/11,175.78 = 2,520.32/x
  3. Step 3: Cross multiply
    7,450.16x = 11,175.78 × 2,520.32
  4. Step 4: Simplify right side
    7,450.16x = 28,166,541.85
  5. Step 5: Solve for x
    x = 28,166,541.85/7,450.16
  6. Step 6: Final answer
    x = 3,780.66

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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.