Home / 7,179.63-9,908.29-4,036.02

Finding the Fourth Proportional to 7,179.63, 9,908.29 and 4,036.02

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Solution

The fourth proportional to 7,179.63, 9,908.29 and 4,036.02 is: 5,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.63 : 9,908.29 = 4,036.02 : x
  2. Step 2: Convert to fraction form
    7,179.63/9,908.29 = 4,036.02/x
  3. Step 3: Cross multiply
    7,179.63x = 9,908.29 × 4,036.02
  4. Step 4: Simplify right side
    7,179.63x = 39,990,056.61
  5. Step 5: Solve for x
    x = 39,990,056.61/7,179.63
  6. Step 6: Final answer
    x = 5,569.93

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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.