Home / 4,940.10-7,410.42-1,653.48

Finding the Fourth Proportional to 4,940.10, 7,410.42 and 1,653.48

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Solution

The fourth proportional to 4,940.10, 7,410.42 and 1,653.48 is: 2,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.10 : 7,410.42 = 1,653.48 : x
  2. Step 2: Convert to fraction form
    4,940.10/7,410.42 = 1,653.48/x
  3. Step 3: Cross multiply
    4,940.10x = 7,410.42 × 1,653.48
  4. Step 4: Simplify right side
    4,940.10x = 12,252,981.26
  5. Step 5: Solve for x
    x = 12,252,981.26/4,940.10
  6. Step 6: Final answer
    x = 2,480.31

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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.