Home / 2,537.09-3,501.31-1,542.20

Finding the Fourth Proportional to 2,537.09, 3,501.31 and 1,542.20

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Solution

The fourth proportional to 2,537.09, 3,501.31 and 1,542.20 is: 2,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.09 : 3,501.31 = 1,542.20 : x
  2. Step 2: Convert to fraction form
    2,537.09/3,501.31 = 1,542.20/x
  3. Step 3: Cross multiply
    2,537.09x = 3,501.31 × 1,542.20
  4. Step 4: Simplify right side
    2,537.09x = 5,399,720.28
  5. Step 5: Solve for x
    x = 5,399,720.28/2,537.09
  6. Step 6: Final answer
    x = 2,128.32

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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.