Home / 7,384.53-11,078.66-2,454.19

Finding the Fourth Proportional to 7,384.53, 11,078.66 and 2,454.19

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Solution

The fourth proportional to 7,384.53, 11,078.66 and 2,454.19 is: 3,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.53 : 11,078.66 = 2,454.19 : x
  2. Step 2: Convert to fraction form
    7,384.53/11,078.66 = 2,454.19/x
  3. Step 3: Cross multiply
    7,384.53x = 11,078.66 × 2,454.19
  4. Step 4: Simplify right side
    7,384.53x = 27,189,136.59
  5. Step 5: Solve for x
    x = 27,189,136.59/7,384.53
  6. Step 6: Final answer
    x = 3,681.90

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1.5x scale

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.