Home / 2,448.81-3,379.35-1,329.74

Finding the Fourth Proportional to 2,448.81, 3,379.35 and 1,329.74

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Solution

The fourth proportional to 2,448.81, 3,379.35 and 1,329.74 is: 1,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.81 : 3,379.35 = 1,329.74 : x
  2. Step 2: Convert to fraction form
    2,448.81/3,379.35 = 1,329.74/x
  3. Step 3: Cross multiply
    2,448.81x = 3,379.35 × 1,329.74
  4. Step 4: Simplify right side
    2,448.81x = 4,493,650.22
  5. Step 5: Solve for x
    x = 4,493,650.22/2,448.81
  6. Step 6: Final answer
    x = 1,835.03

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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.