Home / 4,745.02-6,548.72-2,857.62

Finding the Fourth Proportional to 4,745.02, 6,548.72 and 2,857.62

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Solution

The fourth proportional to 4,745.02, 6,548.72 and 2,857.62 is: 3,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.02 : 6,548.72 = 2,857.62 : x
  2. Step 2: Convert to fraction form
    4,745.02/6,548.72 = 2,857.62/x
  3. Step 3: Cross multiply
    4,745.02x = 6,548.72 × 2,857.62
  4. Step 4: Simplify right side
    4,745.02x = 18,713,741.58
  5. Step 5: Solve for x
    x = 18,713,741.58/4,745.02
  6. Step 6: Final answer
    x = 3,943.87

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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.