Home / 4,828.20-7,242.90-2,055.26

Finding the Fourth Proportional to 4,828.20, 7,242.90 and 2,055.26

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Solution

The fourth proportional to 4,828.20, 7,242.90 and 2,055.26 is: 3,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.20 : 7,242.90 = 2,055.26 : x
  2. Step 2: Convert to fraction form
    4,828.20/7,242.90 = 2,055.26/x
  3. Step 3: Cross multiply
    4,828.20x = 7,242.90 × 2,055.26
  4. Step 4: Simplify right side
    4,828.20x = 14,886,042.65
  5. Step 5: Solve for x
    x = 14,886,042.65/4,828.20
  6. Step 6: Final answer
    x = 3,083.15

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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.