Home / 4,743.86-7,112.95-1,622.82

Finding the Fourth Proportional to 4,743.86, 7,112.95 and 1,622.82

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Solution

The fourth proportional to 4,743.86, 7,112.95 and 1,622.82 is: 2,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.86 : 7,112.95 = 1,622.82 : x
  2. Step 2: Convert to fraction form
    4,743.86/7,112.95 = 1,622.82/x
  3. Step 3: Cross multiply
    4,743.86x = 7,112.95 × 1,622.82
  4. Step 4: Simplify right side
    4,743.86x = 11,543,060.14
  5. Step 5: Solve for x
    x = 11,543,060.14/4,743.86
  6. Step 6: Final answer
    x = 2,433.27

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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.