Home / 7,719.76-10,653.16-4,362.52

Finding the Fourth Proportional to 7,719.76, 10,653.16 and 4,362.52

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Solution

The fourth proportional to 7,719.76, 10,653.16 and 4,362.52 is: 6,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.76 : 10,653.16 = 4,362.52 : x
  2. Step 2: Convert to fraction form
    7,719.76/10,653.16 = 4,362.52/x
  3. Step 3: Cross multiply
    7,719.76x = 10,653.16 × 4,362.52
  4. Step 4: Simplify right side
    7,719.76x = 46,474,623.56
  5. Step 5: Solve for x
    x = 46,474,623.56/7,719.76
  6. Step 6: Final answer
    x = 6,020.22

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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.