Home / 2,534.55-3,784.11-2,187.51

Finding the Fourth Proportional to 2,534.55, 3,784.11 and 2,187.51

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Solution

The fourth proportional to 2,534.55, 3,784.11 and 2,187.51 is: 3,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.55 : 3,784.11 = 2,187.51 : x
  2. Step 2: Convert to fraction form
    2,534.55/3,784.11 = 2,187.51/x
  3. Step 3: Cross multiply
    2,534.55x = 3,784.11 × 2,187.51
  4. Step 4: Simplify right side
    2,534.55x = 8,277,778.47
  5. Step 5: Solve for x
    x = 8,277,778.47/2,534.55
  6. Step 6: Final answer
    x = 3,265.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.