Home / 6,916.74-10,378.16-3,629.04

Finding the Fourth Proportional to 6,916.74, 10,378.16 and 3,629.04

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Solution

The fourth proportional to 6,916.74, 10,378.16 and 3,629.04 is: 5,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.74 : 10,378.16 = 3,629.04 : x
  2. Step 2: Convert to fraction form
    6,916.74/10,378.16 = 3,629.04/x
  3. Step 3: Cross multiply
    6,916.74x = 10,378.16 × 3,629.04
  4. Step 4: Simplify right side
    6,916.74x = 37,662,739.62
  5. Step 5: Solve for x
    x = 37,662,739.62/6,916.74
  6. Step 6: Final answer
    x = 5,445.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.