Home / 5,740.72-7,923.20-3,382.96

Finding the Fourth Proportional to 5,740.72, 7,923.20 and 3,382.96

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Solution

The fourth proportional to 5,740.72, 7,923.20 and 3,382.96 is: 4,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.72 : 7,923.20 = 3,382.96 : x
  2. Step 2: Convert to fraction form
    5,740.72/7,923.20 = 3,382.96/x
  3. Step 3: Cross multiply
    5,740.72x = 7,923.20 × 3,382.96
  4. Step 4: Simplify right side
    5,740.72x = 26,803,868.67
  5. Step 5: Solve for x
    x = 26,803,868.67/5,740.72
  6. Step 6: Final answer
    x = 4,669.08

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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.