Home / 5,703.18-8,557.20-2,781.54

Finding the Fourth Proportional to 5,703.18, 8,557.20 and 2,781.54

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Solution

The fourth proportional to 5,703.18, 8,557.20 and 2,781.54 is: 4,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.18 : 8,557.20 = 2,781.54 : x
  2. Step 2: Convert to fraction form
    5,703.18/8,557.20 = 2,781.54/x
  3. Step 3: Cross multiply
    5,703.18x = 8,557.20 × 2,781.54
  4. Step 4: Simplify right side
    5,703.18x = 23,802,194.09
  5. Step 5: Solve for x
    x = 23,802,194.09/5,703.18
  6. Step 6: Final answer
    x = 4,173.50

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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.