Home / 2,240.02-3,091.53-1,542.34

Finding the Fourth Proportional to 2,240.02, 3,091.53 and 1,542.34

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Solution

The fourth proportional to 2,240.02, 3,091.53 and 1,542.34 is: 2,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.02 : 3,091.53 = 1,542.34 : x
  2. Step 2: Convert to fraction form
    2,240.02/3,091.53 = 1,542.34/x
  3. Step 3: Cross multiply
    2,240.02x = 3,091.53 × 1,542.34
  4. Step 4: Simplify right side
    2,240.02x = 4,768,190.38
  5. Step 5: Solve for x
    x = 4,768,190.38/2,240.02
  6. Step 6: Final answer
    x = 2,128.64

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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.