Home / 5,827.51-8,742.02-2,131.48

Finding the Fourth Proportional to 5,827.51, 8,742.02 and 2,131.48

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Solution

The fourth proportional to 5,827.51, 8,742.02 and 2,131.48 is: 3,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.51 : 8,742.02 = 2,131.48 : x
  2. Step 2: Convert to fraction form
    5,827.51/8,742.02 = 2,131.48/x
  3. Step 3: Cross multiply
    5,827.51x = 8,742.02 × 2,131.48
  4. Step 4: Simplify right side
    5,827.51x = 18,633,403.88
  5. Step 5: Solve for x
    x = 18,633,403.88/5,827.51
  6. Step 6: Final answer
    x = 3,197.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.