Home / 4,619.92-6,931-1,542.16

Finding the Fourth Proportional to 4,619.92, 6,931 and 1,542.16

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Solution

The fourth proportional to 4,619.92, 6,931 and 1,542.16 is: 2,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.92 : 6,931 = 1,542.16 : x
  2. Step 2: Convert to fraction form
    4,619.92/6,931 = 1,542.16/x
  3. Step 3: Cross multiply
    4,619.92x = 6,931 × 1,542.16
  4. Step 4: Simplify right side
    4,619.92x = 10,688,710.96
  5. Step 5: Solve for x
    x = 10,688,710.96/4,619.92
  6. Step 6: Final answer
    x = 2,313.61

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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.