Home / 5,133.96-7,085.08-2,895.92

Finding the Fourth Proportional to 5,133.96, 7,085.08 and 2,895.92

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Solution

The fourth proportional to 5,133.96, 7,085.08 and 2,895.92 is: 3,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.96 : 7,085.08 = 2,895.92 : x
  2. Step 2: Convert to fraction form
    5,133.96/7,085.08 = 2,895.92/x
  3. Step 3: Cross multiply
    5,133.96x = 7,085.08 × 2,895.92
  4. Step 4: Simplify right side
    5,133.96x = 20,517,824.87
  5. Step 5: Solve for x
    x = 20,517,824.87/5,133.96
  6. Step 6: Final answer
    x = 3,996.49

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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.