Home / 5,102.30-7,041.49-2,864.33

Finding the Fourth Proportional to 5,102.30, 7,041.49 and 2,864.33

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Solution

The fourth proportional to 5,102.30, 7,041.49 and 2,864.33 is: 3,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.30 : 7,041.49 = 2,864.33 : x
  2. Step 2: Convert to fraction form
    5,102.30/7,041.49 = 2,864.33/x
  3. Step 3: Cross multiply
    5,102.30x = 7,041.49 × 2,864.33
  4. Step 4: Simplify right side
    5,102.30x = 20,169,135.09
  5. Step 5: Solve for x
    x = 20,169,135.09/5,102.30
  6. Step 6: Final answer
    x = 3,952.95

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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.