Home / 6,878.14-9,491.57-3,734.26

Finding the Fourth Proportional to 6,878.14, 9,491.57 and 3,734.26

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Solution

The fourth proportional to 6,878.14, 9,491.57 and 3,734.26 is: 5,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.14 : 9,491.57 = 3,734.26 : x
  2. Step 2: Convert to fraction form
    6,878.14/9,491.57 = 3,734.26/x
  3. Step 3: Cross multiply
    6,878.14x = 9,491.57 × 3,734.26
  4. Step 4: Simplify right side
    6,878.14x = 35,443,990.19
  5. Step 5: Solve for x
    x = 35,443,990.19/6,878.14
  6. Step 6: Final answer
    x = 5,153.14

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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.