Home / 3,821.58-5,275.53-2,937.06

Finding the Fourth Proportional to 3,821.58, 5,275.53 and 2,937.06

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Solution

The fourth proportional to 3,821.58, 5,275.53 and 2,937.06 is: 4,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.58 : 5,275.53 = 2,937.06 : x
  2. Step 2: Convert to fraction form
    3,821.58/5,275.53 = 2,937.06/x
  3. Step 3: Cross multiply
    3,821.58x = 5,275.53 × 2,937.06
  4. Step 4: Simplify right side
    3,821.58x = 15,494,548.14
  5. Step 5: Solve for x
    x = 15,494,548.14/3,821.58
  6. Step 6: Final answer
    x = 4,054.49

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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.