Home / 4,751.37-7,128.59-2,285.86

Finding the Fourth Proportional to 4,751.37, 7,128.59 and 2,285.86

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Solution

The fourth proportional to 4,751.37, 7,128.59 and 2,285.86 is: 3,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.37 : 7,128.59 = 2,285.86 : x
  2. Step 2: Convert to fraction form
    4,751.37/7,128.59 = 2,285.86/x
  3. Step 3: Cross multiply
    4,751.37x = 7,128.59 × 2,285.86
  4. Step 4: Simplify right side
    4,751.37x = 16,294,958.74
  5. Step 5: Solve for x
    x = 16,294,958.74/4,751.37
  6. Step 6: Final answer
    x = 3,429.53

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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.