Home / 5,740.32-7,921.46-3,222.42

Finding the Fourth Proportional to 5,740.32, 7,921.46 and 3,222.42

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Solution

The fourth proportional to 5,740.32, 7,921.46 and 3,222.42 is: 4,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.32 : 7,921.46 = 3,222.42 : x
  2. Step 2: Convert to fraction form
    5,740.32/7,921.46 = 3,222.42/x
  3. Step 3: Cross multiply
    5,740.32x = 7,921.46 × 3,222.42
  4. Step 4: Simplify right side
    5,740.32x = 25,526,271.13
  5. Step 5: Solve for x
    x = 25,526,271.13/5,740.32
  6. Step 6: Final answer
    x = 4,446.84

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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.