Home / 2,551.54-3,523.20-2,079.51

Finding the Fourth Proportional to 2,551.54, 3,523.20 and 2,079.51

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Solution

The fourth proportional to 2,551.54, 3,523.20 and 2,079.51 is: 2,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.54 : 3,523.20 = 2,079.51 : x
  2. Step 2: Convert to fraction form
    2,551.54/3,523.20 = 2,079.51/x
  3. Step 3: Cross multiply
    2,551.54x = 3,523.20 × 2,079.51
  4. Step 4: Simplify right side
    2,551.54x = 7,326,529.63
  5. Step 5: Solve for x
    x = 7,326,529.63/2,551.54
  6. Step 6: Final answer
    x = 2,871.41

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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.