Home / 4,314.62-6,451.65-3,078.20

Finding the Fourth Proportional to 4,314.62, 6,451.65 and 3,078.20

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Solution

The fourth proportional to 4,314.62, 6,451.65 and 3,078.20 is: 4,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.62 : 6,451.65 = 3,078.20 : x
  2. Step 2: Convert to fraction form
    4,314.62/6,451.65 = 3,078.20/x
  3. Step 3: Cross multiply
    4,314.62x = 6,451.65 × 3,078.20
  4. Step 4: Simplify right side
    4,314.62x = 19,859,485.16
  5. Step 5: Solve for x
    x = 19,859,485.16/4,314.62
  6. Step 6: Final answer
    x = 4,602.84

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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.