Home / 2,991.72-4,484.85-2,532.45

Finding the Fourth Proportional to 2,991.72, 4,484.85 and 2,532.45

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Solution

The fourth proportional to 2,991.72, 4,484.85 and 2,532.45 is: 3,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.72 : 4,484.85 = 2,532.45 : x
  2. Step 2: Convert to fraction form
    2,991.72/4,484.85 = 2,532.45/x
  3. Step 3: Cross multiply
    2,991.72x = 4,484.85 × 2,532.45
  4. Step 4: Simplify right side
    2,991.72x = 11,357,658.38
  5. Step 5: Solve for x
    x = 11,357,658.38/2,991.72
  6. Step 6: Final answer
    x = 3,796.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.