Home / 5,615.08-8,425.47-3,742.25

Finding the Fourth Proportional to 5,615.08, 8,425.47 and 3,742.25

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Solution

The fourth proportional to 5,615.08, 8,425.47 and 3,742.25 is: 5,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.08 : 8,425.47 = 3,742.25 : x
  2. Step 2: Convert to fraction form
    5,615.08/8,425.47 = 3,742.25/x
  3. Step 3: Cross multiply
    5,615.08x = 8,425.47 × 3,742.25
  4. Step 4: Simplify right side
    5,615.08x = 31,530,215.11
  5. Step 5: Solve for x
    x = 31,530,215.11/5,615.08
  6. Step 6: Final answer
    x = 5,615.27

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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.