Home / 3,577.52-4,937.23-1,984.25

Finding the Fourth Proportional to 3,577.52, 4,937.23 and 1,984.25

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Solution

The fourth proportional to 3,577.52, 4,937.23 and 1,984.25 is: 2,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.52 : 4,937.23 = 1,984.25 : x
  2. Step 2: Convert to fraction form
    3,577.52/4,937.23 = 1,984.25/x
  3. Step 3: Cross multiply
    3,577.52x = 4,937.23 × 1,984.25
  4. Step 4: Simplify right side
    3,577.52x = 9,796,698.63
  5. Step 5: Solve for x
    x = 9,796,698.63/3,577.52
  6. Step 6: Final answer
    x = 2,738.40

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Double scale
Find fourth proportional to 3,578.52, 4,938.61 and 1,985.25
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.