Home / 4,923.49-7,385.09-1,225.72

Finding the Fourth Proportional to 4,923.49, 7,385.09 and 1,225.72

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Solution

The fourth proportional to 4,923.49, 7,385.09 and 1,225.72 is: 1,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.49 : 7,385.09 = 1,225.72 : x
  2. Step 2: Convert to fraction form
    4,923.49/7,385.09 = 1,225.72/x
  3. Step 3: Cross multiply
    4,923.49x = 7,385.09 × 1,225.72
  4. Step 4: Simplify right side
    4,923.49x = 9,052,027.92
  5. Step 5: Solve for x
    x = 9,052,027.92/4,923.49
  6. Step 6: Final answer
    x = 1,838.54

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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.