Home / 5,311.79-7,330.46-3,043.54

Finding the Fourth Proportional to 5,311.79, 7,330.46 and 3,043.54

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Solution

The fourth proportional to 5,311.79, 7,330.46 and 3,043.54 is: 4,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.79 : 7,330.46 = 3,043.54 : x
  2. Step 2: Convert to fraction form
    5,311.79/7,330.46 = 3,043.54/x
  3. Step 3: Cross multiply
    5,311.79x = 7,330.46 × 3,043.54
  4. Step 4: Simplify right side
    5,311.79x = 22,310,548.23
  5. Step 5: Solve for x
    x = 22,310,548.23/5,311.79
  6. Step 6: Final answer
    x = 4,200.19

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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.