Home / 4,825.90-7,238.99-1,705.47

Finding the Fourth Proportional to 4,825.90, 7,238.99 and 1,705.47

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Solution

The fourth proportional to 4,825.90, 7,238.99 and 1,705.47 is: 2,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.90 : 7,238.99 = 1,705.47 : x
  2. Step 2: Convert to fraction form
    4,825.90/7,238.99 = 1,705.47/x
  3. Step 3: Cross multiply
    4,825.90x = 7,238.99 × 1,705.47
  4. Step 4: Simplify right side
    4,825.90x = 12,345,880.28
  5. Step 5: Solve for x
    x = 12,345,880.28/4,825.90
  6. Step 6: Final answer
    x = 2,558.25

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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.