Home / 4,269.12-6,401.88-1,670.16

Finding the Fourth Proportional to 4,269.12, 6,401.88 and 1,670.16

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Solution

The fourth proportional to 4,269.12, 6,401.88 and 1,670.16 is: 2,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.12 : 6,401.88 = 1,670.16 : x
  2. Step 2: Convert to fraction form
    4,269.12/6,401.88 = 1,670.16/x
  3. Step 3: Cross multiply
    4,269.12x = 6,401.88 × 1,670.16
  4. Step 4: Simplify right side
    4,269.12x = 10,692,163.90
  5. Step 5: Solve for x
    x = 10,692,163.90/4,269.12
  6. Step 6: Final answer
    x = 2,504.54

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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.