Home / 4,509.48-6,222.78-2,520.12

Finding the Fourth Proportional to 4,509.48, 6,222.78 and 2,520.12

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Solution

The fourth proportional to 4,509.48, 6,222.78 and 2,520.12 is: 3,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.48 : 6,222.78 = 2,520.12 : x
  2. Step 2: Convert to fraction form
    4,509.48/6,222.78 = 2,520.12/x
  3. Step 3: Cross multiply
    4,509.48x = 6,222.78 × 2,520.12
  4. Step 4: Simplify right side
    4,509.48x = 15,682,152.33
  5. Step 5: Solve for x
    x = 15,682,152.33/4,509.48
  6. Step 6: Final answer
    x = 3,477.60

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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.