Home / 5,729.76-8,587.08-2,265.12

Finding the Fourth Proportional to 5,729.76, 8,587.08 and 2,265.12

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Solution

The fourth proportional to 5,729.76, 8,587.08 and 2,265.12 is: 3,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.76 : 8,587.08 = 2,265.12 : x
  2. Step 2: Convert to fraction form
    5,729.76/8,587.08 = 2,265.12/x
  3. Step 3: Cross multiply
    5,729.76x = 8,587.08 × 2,265.12
  4. Step 4: Simplify right side
    5,729.76x = 19,450,766.65
  5. Step 5: Solve for x
    x = 19,450,766.65/5,729.76
  6. Step 6: Final answer
    x = 3,394.69

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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.