Home / 5,625.56-7,761.48-3,636.74

Finding the Fourth Proportional to 5,625.56, 7,761.48 and 3,636.74

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Solution

The fourth proportional to 5,625.56, 7,761.48 and 3,636.74 is: 5,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.56 : 7,761.48 = 3,636.74 : x
  2. Step 2: Convert to fraction form
    5,625.56/7,761.48 = 3,636.74/x
  3. Step 3: Cross multiply
    5,625.56x = 7,761.48 × 3,636.74
  4. Step 4: Simplify right side
    5,625.56x = 28,226,484.78
  5. Step 5: Solve for x
    x = 28,226,484.78/5,625.56
  6. Step 6: Final answer
    x = 5,017.54

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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.