Home / 4,861.28-7,280.98-3,406.93

Finding the Fourth Proportional to 4,861.28, 7,280.98 and 3,406.93

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Solution

The fourth proportional to 4,861.28, 7,280.98 and 3,406.93 is: 5,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.28 : 7,280.98 = 3,406.93 : x
  2. Step 2: Convert to fraction form
    4,861.28/7,280.98 = 3,406.93/x
  3. Step 3: Cross multiply
    4,861.28x = 7,280.98 × 3,406.93
  4. Step 4: Simplify right side
    4,861.28x = 24,805,735.75
  5. Step 5: Solve for x
    x = 24,805,735.75/4,861.28
  6. Step 6: Final answer
    x = 5,102.72

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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.