Home / 6,078.88-8,388.93-3,426.22

Finding the Fourth Proportional to 6,078.88, 8,388.93 and 3,426.22

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Solution

The fourth proportional to 6,078.88, 8,388.93 and 3,426.22 is: 4,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.88 : 8,388.93 = 3,426.22 : x
  2. Step 2: Convert to fraction form
    6,078.88/8,388.93 = 3,426.22/x
  3. Step 3: Cross multiply
    6,078.88x = 8,388.93 × 3,426.22
  4. Step 4: Simplify right side
    6,078.88x = 28,742,319.74
  5. Step 5: Solve for x
    x = 28,742,319.74/6,078.88
  6. Step 6: Final answer
    x = 4,728.23

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1.5x scale

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.