Home / 5,402.81-8,105.58-2,283.60

Finding the Fourth Proportional to 5,402.81, 8,105.58 and 2,283.60

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Solution

The fourth proportional to 5,402.81, 8,105.58 and 2,283.60 is: 3,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.81 : 8,105.58 = 2,283.60 : x
  2. Step 2: Convert to fraction form
    5,402.81/8,105.58 = 2,283.60/x
  3. Step 3: Cross multiply
    5,402.81x = 8,105.58 × 2,283.60
  4. Step 4: Simplify right side
    5,402.81x = 18,509,902.49
  5. Step 5: Solve for x
    x = 18,509,902.49/5,402.81
  6. Step 6: Final answer
    x = 3,425.98

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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.