Home / 5,401.75-7,452.60-4,405.30

Finding the Fourth Proportional to 5,401.75, 7,452.60 and 4,405.30

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Solution

The fourth proportional to 5,401.75, 7,452.60 and 4,405.30 is: 6,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.75 : 7,452.60 = 4,405.30 : x
  2. Step 2: Convert to fraction form
    5,401.75/7,452.60 = 4,405.30/x
  3. Step 3: Cross multiply
    5,401.75x = 7,452.60 × 4,405.30
  4. Step 4: Simplify right side
    5,401.75x = 32,830,938.78
  5. Step 5: Solve for x
    x = 32,830,938.78/5,401.75
  6. Step 6: Final answer
    x = 6,077.83

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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.