Home / 4,839.95-6,673.01-4,121.43

Finding the Fourth Proportional to 4,839.95, 6,673.01 and 4,121.43

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Solution

The fourth proportional to 4,839.95, 6,673.01 and 4,121.43 is: 5,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.95 : 6,673.01 = 4,121.43 : x
  2. Step 2: Convert to fraction form
    4,839.95/6,673.01 = 4,121.43/x
  3. Step 3: Cross multiply
    4,839.95x = 6,673.01 × 4,121.43
  4. Step 4: Simplify right side
    4,839.95x = 27,502,323.00
  5. Step 5: Solve for x
    x = 27,502,323.00/4,839.95
  6. Step 6: Final answer
    x = 5,682.36

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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.