Home / 5,612.45-7,745.60-3,254.94

Finding the Fourth Proportional to 5,612.45, 7,745.60 and 3,254.94

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Solution

The fourth proportional to 5,612.45, 7,745.60 and 3,254.94 is: 4,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.45 : 7,745.60 = 3,254.94 : x
  2. Step 2: Convert to fraction form
    5,612.45/7,745.60 = 3,254.94/x
  3. Step 3: Cross multiply
    5,612.45x = 7,745.60 × 3,254.94
  4. Step 4: Simplify right side
    5,612.45x = 25,211,471.40
  5. Step 5: Solve for x
    x = 25,211,471.40/5,612.45
  6. Step 6: Final answer
    x = 4,492.07

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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.