Home / 2,539.02-3,805.97-1,220.84

Finding the Fourth Proportional to 2,539.02, 3,805.97 and 1,220.84

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Solution

The fourth proportional to 2,539.02, 3,805.97 and 1,220.84 is: 1,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.02 : 3,805.97 = 1,220.84 : x
  2. Step 2: Convert to fraction form
    2,539.02/3,805.97 = 1,220.84/x
  3. Step 3: Cross multiply
    2,539.02x = 3,805.97 × 1,220.84
  4. Step 4: Simplify right side
    2,539.02x = 4,646,455.28
  5. Step 5: Solve for x
    x = 4,646,455.28/2,539.02
  6. Step 6: Final answer
    x = 1,830.02

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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.