Home / 4,851.54-7,280.36-2,218.64

Finding the Fourth Proportional to 4,851.54, 7,280.36 and 2,218.64

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Solution

The fourth proportional to 4,851.54, 7,280.36 and 2,218.64 is: 3,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.54 : 7,280.36 = 2,218.64 : x
  2. Step 2: Convert to fraction form
    4,851.54/7,280.36 = 2,218.64/x
  3. Step 3: Cross multiply
    4,851.54x = 7,280.36 × 2,218.64
  4. Step 4: Simplify right side
    4,851.54x = 16,152,497.91
  5. Step 5: Solve for x
    x = 16,152,497.91/4,851.54
  6. Step 6: Final answer
    x = 3,329.35

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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.