Home / 2,448.67-3,379.15-1,329.60

Finding the Fourth Proportional to 2,448.67, 3,379.15 and 1,329.60

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Solution

The fourth proportional to 2,448.67, 3,379.15 and 1,329.60 is: 1,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.67 : 3,379.15 = 1,329.60 : x
  2. Step 2: Convert to fraction form
    2,448.67/3,379.15 = 1,329.60/x
  3. Step 3: Cross multiply
    2,448.67x = 3,379.15 × 1,329.60
  4. Step 4: Simplify right side
    2,448.67x = 4,492,917.84
  5. Step 5: Solve for x
    x = 4,492,917.84/2,448.67
  6. Step 6: Final answer
    x = 1,834.84

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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.