Home / 7,289.42-10,935.96-2,095.28

Finding the Fourth Proportional to 7,289.42, 10,935.96 and 2,095.28

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Solution

The fourth proportional to 7,289.42, 10,935.96 and 2,095.28 is: 3,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.42 : 10,935.96 = 2,095.28 : x
  2. Step 2: Convert to fraction form
    7,289.42/10,935.96 = 2,095.28/x
  3. Step 3: Cross multiply
    7,289.42x = 10,935.96 × 2,095.28
  4. Step 4: Simplify right side
    7,289.42x = 22,913,898.27
  5. Step 5: Solve for x
    x = 22,913,898.27/7,289.42
  6. Step 6: Final answer
    x = 3,143.45

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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.