Home / 6,078.61-9,111.64-2,329.36

Finding the Fourth Proportional to 6,078.61, 9,111.64 and 2,329.36

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Solution

The fourth proportional to 6,078.61, 9,111.64 and 2,329.36 is: 3,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.61 : 9,111.64 = 2,329.36 : x
  2. Step 2: Convert to fraction form
    6,078.61/9,111.64 = 2,329.36/x
  3. Step 3: Cross multiply
    6,078.61x = 9,111.64 × 2,329.36
  4. Step 4: Simplify right side
    6,078.61x = 21,224,295.32
  5. Step 5: Solve for x
    x = 21,224,295.32/6,078.61
  6. Step 6: Final answer
    x = 3,491.64

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1.5x scale

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.