Home / 2,376.92-3,280.20-1,329.08

Finding the Fourth Proportional to 2,376.92, 3,280.20 and 1,329.08

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Solution

The fourth proportional to 2,376.92, 3,280.20 and 1,329.08 is: 1,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.92 : 3,280.20 = 1,329.08 : x
  2. Step 2: Convert to fraction form
    2,376.92/3,280.20 = 1,329.08/x
  3. Step 3: Cross multiply
    2,376.92x = 3,280.20 × 1,329.08
  4. Step 4: Simplify right side
    2,376.92x = 4,359,648.22
  5. Step 5: Solve for x
    x = 4,359,648.22/2,376.92
  6. Step 6: Final answer
    x = 1,834.16

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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.