Home / 7,590.46-11,385.27-2,912.71

Finding the Fourth Proportional to 7,590.46, 11,385.27 and 2,912.71

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Solution

The fourth proportional to 7,590.46, 11,385.27 and 2,912.71 is: 4,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.46 : 11,385.27 = 2,912.71 : x
  2. Step 2: Convert to fraction form
    7,590.46/11,385.27 = 2,912.71/x
  3. Step 3: Cross multiply
    7,590.46x = 11,385.27 × 2,912.71
  4. Step 4: Simplify right side
    7,590.46x = 33,161,989.78
  5. Step 5: Solve for x
    x = 33,161,989.78/7,590.46
  6. Step 6: Final answer
    x = 4,368.90

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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.