Home / 7,103.16-10,653.76-3,769.95

Finding the Fourth Proportional to 7,103.16, 10,653.76 and 3,769.95

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Solution

The fourth proportional to 7,103.16, 10,653.76 and 3,769.95 is: 5,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.16 : 10,653.76 = 3,769.95 : x
  2. Step 2: Convert to fraction form
    7,103.16/10,653.76 = 3,769.95/x
  3. Step 3: Cross multiply
    7,103.16x = 10,653.76 × 3,769.95
  4. Step 4: Simplify right side
    7,103.16x = 40,164,142.51
  5. Step 5: Solve for x
    x = 40,164,142.51/7,103.16
  6. Step 6: Final answer
    x = 5,654.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.