Home / 5,402.37-7,452.04-3,985.60

Finding the Fourth Proportional to 5,402.37, 7,452.04 and 3,985.60

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Solution

The fourth proportional to 5,402.37, 7,452.04 and 3,985.60 is: 5,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.37 : 7,452.04 = 3,985.60 : x
  2. Step 2: Convert to fraction form
    5,402.37/7,452.04 = 3,985.60/x
  3. Step 3: Cross multiply
    5,402.37x = 7,452.04 × 3,985.60
  4. Step 4: Simplify right side
    5,402.37x = 29,700,830.70
  5. Step 5: Solve for x
    x = 29,700,830.70/5,402.37
  6. Step 6: Final answer
    x = 5,497.75

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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.