Home / 5,225.25-7,209.96-3,455.91

Finding the Fourth Proportional to 5,225.25, 7,209.96 and 3,455.91

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Solution

The fourth proportional to 5,225.25, 7,209.96 and 3,455.91 is: 4,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.25 : 7,209.96 = 3,455.91 : x
  2. Step 2: Convert to fraction form
    5,225.25/7,209.96 = 3,455.91/x
  3. Step 3: Cross multiply
    5,225.25x = 7,209.96 × 3,455.91
  4. Step 4: Simplify right side
    5,225.25x = 24,916,972.86
  5. Step 5: Solve for x
    x = 24,916,972.86/5,225.25
  6. Step 6: Final answer
    x = 4,768.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.