Home / 5,133.86-7,084.58-2,895.72

Finding the Fourth Proportional to 5,133.86, 7,084.58 and 2,895.72

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Solution

The fourth proportional to 5,133.86, 7,084.58 and 2,895.72 is: 3,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.86 : 7,084.58 = 2,895.72 : x
  2. Step 2: Convert to fraction form
    5,133.86/7,084.58 = 2,895.72/x
  3. Step 3: Cross multiply
    5,133.86x = 7,084.58 × 2,895.72
  4. Step 4: Simplify right side
    5,133.86x = 20,514,960.00
  5. Step 5: Solve for x
    x = 20,514,960.00/5,133.86
  6. Step 6: Final answer
    x = 3,996.01

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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.