Home / 7,060.89-9,743.64-3,916.88

Finding the Fourth Proportional to 7,060.89, 9,743.64 and 3,916.88

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Solution

The fourth proportional to 7,060.89, 9,743.64 and 3,916.88 is: 5,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.89 : 9,743.64 = 3,916.88 : x
  2. Step 2: Convert to fraction form
    7,060.89/9,743.64 = 3,916.88/x
  3. Step 3: Cross multiply
    7,060.89x = 9,743.64 × 3,916.88
  4. Step 4: Simplify right side
    7,060.89x = 38,164,619.93
  5. Step 5: Solve for x
    x = 38,164,619.93/7,060.89
  6. Step 6: Final answer
    x = 5,405.07

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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.