Home / 2,567.26-3,542.80-1,448.20

Finding the Fourth Proportional to 2,567.26, 3,542.80 and 1,448.20

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Solution

The fourth proportional to 2,567.26, 3,542.80 and 1,448.20 is: 1,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.26 : 3,542.80 = 1,448.20 : x
  2. Step 2: Convert to fraction form
    2,567.26/3,542.80 = 1,448.20/x
  3. Step 3: Cross multiply
    2,567.26x = 3,542.80 × 1,448.20
  4. Step 4: Simplify right side
    2,567.26x = 5,130,675.72
  5. Step 5: Solve for x
    x = 5,130,675.72/2,567.26
  6. Step 6: Final answer
    x = 1,998.51

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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.