Home / 5,020.46-6,928.22-2,782.31

Finding the Fourth Proportional to 5,020.46, 6,928.22 and 2,782.31

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Solution

The fourth proportional to 5,020.46, 6,928.22 and 2,782.31 is: 3,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.46 : 6,928.22 = 2,782.31 : x
  2. Step 2: Convert to fraction form
    5,020.46/6,928.22 = 2,782.31/x
  3. Step 3: Cross multiply
    5,020.46x = 6,928.22 × 2,782.31
  4. Step 4: Simplify right side
    5,020.46x = 19,276,451.42
  5. Step 5: Solve for x
    x = 19,276,451.42/5,020.46
  6. Step 6: Final answer
    x = 3,839.58

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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.