Home / 3,652.86-5,043.36-2,812.08

Finding the Fourth Proportional to 3,652.86, 5,043.36 and 2,812.08

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Solution

The fourth proportional to 3,652.86, 5,043.36 and 2,812.08 is: 3,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.86 : 5,043.36 = 2,812.08 : x
  2. Step 2: Convert to fraction form
    3,652.86/5,043.36 = 2,812.08/x
  3. Step 3: Cross multiply
    3,652.86x = 5,043.36 × 2,812.08
  4. Step 4: Simplify right side
    3,652.86x = 14,182,331.79
  5. Step 5: Solve for x
    x = 14,182,331.79/3,652.86
  6. Step 6: Final answer
    x = 3,882.53

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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.