Home / 4,745.15-7,111.53-3,433.32

Finding the Fourth Proportional to 4,745.15, 7,111.53 and 3,433.32

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Solution

The fourth proportional to 4,745.15, 7,111.53 and 3,433.32 is: 5,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.15 : 7,111.53 = 3,433.32 : x
  2. Step 2: Convert to fraction form
    4,745.15/7,111.53 = 3,433.32/x
  3. Step 3: Cross multiply
    4,745.15x = 7,111.53 × 3,433.32
  4. Step 4: Simplify right side
    4,745.15x = 24,416,158.18
  5. Step 5: Solve for x
    x = 24,416,158.18/4,745.15
  6. Step 6: Final answer
    x = 5,145.50

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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.