Home / 3,839.08-5,266.80-3,653.16

Finding the Fourth Proportional to 3,839.08, 5,266.80 and 3,653.16

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Solution

The fourth proportional to 3,839.08, 5,266.80 and 3,653.16 is: 5,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.08 : 5,266.80 = 3,653.16 : x
  2. Step 2: Convert to fraction form
    3,839.08/5,266.80 = 3,653.16/x
  3. Step 3: Cross multiply
    3,839.08x = 5,266.80 × 3,653.16
  4. Step 4: Simplify right side
    3,839.08x = 19,240,463.09
  5. Step 5: Solve for x
    x = 19,240,463.09/3,839.08
  6. Step 6: Final answer
    x = 5,011.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.