Home / 4,647.11-6,412.86-2,732.90

Finding the Fourth Proportional to 4,647.11, 6,412.86 and 2,732.90

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Solution

The fourth proportional to 4,647.11, 6,412.86 and 2,732.90 is: 3,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.11 : 6,412.86 = 2,732.90 : x
  2. Step 2: Convert to fraction form
    4,647.11/6,412.86 = 2,732.90/x
  3. Step 3: Cross multiply
    4,647.11x = 6,412.86 × 2,732.90
  4. Step 4: Simplify right side
    4,647.11x = 17,525,673.03
  5. Step 5: Solve for x
    x = 17,525,673.03/4,647.11
  6. Step 6: Final answer
    x = 3,771.31

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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.