Home / 4,117.50-5,682.15-2,254.50

Finding the Fourth Proportional to 4,117.50, 5,682.15 and 2,254.50

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Solution

The fourth proportional to 4,117.50, 5,682.15 and 2,254.50 is: 3,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.50 : 5,682.15 = 2,254.50 : x
  2. Step 2: Convert to fraction form
    4,117.50/5,682.15 = 2,254.50/x
  3. Step 3: Cross multiply
    4,117.50x = 5,682.15 × 2,254.50
  4. Step 4: Simplify right side
    4,117.50x = 12,810,407.18
  5. Step 5: Solve for x
    x = 12,810,407.18/4,117.50
  6. Step 6: Final answer
    x = 3,111.21

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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.