Home / 5,061.71-6,980.45-3,357.21

Finding the Fourth Proportional to 5,061.71, 6,980.45 and 3,357.21

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Solution

The fourth proportional to 5,061.71, 6,980.45 and 3,357.21 is: 4,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.71 : 6,980.45 = 3,357.21 : x
  2. Step 2: Convert to fraction form
    5,061.71/6,980.45 = 3,357.21/x
  3. Step 3: Cross multiply
    5,061.71x = 6,980.45 × 3,357.21
  4. Step 4: Simplify right side
    5,061.71x = 23,434,845.94
  5. Step 5: Solve for x
    x = 23,434,845.94/5,061.71
  6. Step 6: Final answer
    x = 4,629.83

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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.