Home / 7,060.74-9,743.76-3,916.86

Finding the Fourth Proportional to 7,060.74, 9,743.76 and 3,916.86

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Solution

The fourth proportional to 7,060.74, 9,743.76 and 3,916.86 is: 5,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.74 : 9,743.76 = 3,916.86 : x
  2. Step 2: Convert to fraction form
    7,060.74/9,743.76 = 3,916.86/x
  3. Step 3: Cross multiply
    7,060.74x = 9,743.76 × 3,916.86
  4. Step 4: Simplify right side
    7,060.74x = 38,164,943.79
  5. Step 5: Solve for x
    x = 38,164,943.79/7,060.74
  6. Step 6: Final answer
    x = 5,405.23

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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.