Home / 4,421.52-6,629.58-2,229.12

Finding the Fourth Proportional to 4,421.52, 6,629.58 and 2,229.12

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Solution

The fourth proportional to 4,421.52, 6,629.58 and 2,229.12 is: 3,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.52 : 6,629.58 = 2,229.12 : x
  2. Step 2: Convert to fraction form
    4,421.52/6,629.58 = 2,229.12/x
  3. Step 3: Cross multiply
    4,421.52x = 6,629.58 × 2,229.12
  4. Step 4: Simplify right side
    4,421.52x = 14,778,129.37
  5. Step 5: Solve for x
    x = 14,778,129.37/4,421.52
  6. Step 6: Final answer
    x = 3,342.32

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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.