Home / 5,609.76-8,398.23-4,431.52

Finding the Fourth Proportional to 5,609.76, 8,398.23 and 4,431.52

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Solution

The fourth proportional to 5,609.76, 8,398.23 and 4,431.52 is: 6,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.76 : 8,398.23 = 4,431.52 : x
  2. Step 2: Convert to fraction form
    5,609.76/8,398.23 = 4,431.52/x
  3. Step 3: Cross multiply
    5,609.76x = 8,398.23 × 4,431.52
  4. Step 4: Simplify right side
    5,609.76x = 37,216,924.21
  5. Step 5: Solve for x
    x = 37,216,924.21/5,609.76
  6. Step 6: Final answer
    x = 6,634.32

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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.