Home / 4,751.30-7,128.07-1,464.32

Finding the Fourth Proportional to 4,751.30, 7,128.07 and 1,464.32

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Solution

The fourth proportional to 4,751.30, 7,128.07 and 1,464.32 is: 2,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.30 : 7,128.07 = 1,464.32 : x
  2. Step 2: Convert to fraction form
    4,751.30/7,128.07 = 1,464.32/x
  3. Step 3: Cross multiply
    4,751.30x = 7,128.07 × 1,464.32
  4. Step 4: Simplify right side
    4,751.30x = 10,437,789.62
  5. Step 5: Solve for x
    x = 10,437,789.62/4,751.30
  6. Step 6: Final answer
    x = 2,196.83

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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.