Home / 5,711.25-7,878.23-3,352.94

Finding the Fourth Proportional to 5,711.25, 7,878.23 and 3,352.94

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Solution

The fourth proportional to 5,711.25, 7,878.23 and 3,352.94 is: 4,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.25 : 7,878.23 = 3,352.94 : x
  2. Step 2: Convert to fraction form
    5,711.25/7,878.23 = 3,352.94/x
  3. Step 3: Cross multiply
    5,711.25x = 7,878.23 × 3,352.94
  4. Step 4: Simplify right side
    5,711.25x = 26,415,176.34
  5. Step 5: Solve for x
    x = 26,415,176.34/5,711.25
  6. Step 6: Final answer
    x = 4,625.11

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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.