Home / 3,320.85-4,580.87-2,076.69

Finding the Fourth Proportional to 3,320.85, 4,580.87 and 2,076.69

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Solution

The fourth proportional to 3,320.85, 4,580.87 and 2,076.69 is: 2,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.85 : 4,580.87 = 2,076.69 : x
  2. Step 2: Convert to fraction form
    3,320.85/4,580.87 = 2,076.69/x
  3. Step 3: Cross multiply
    3,320.85x = 4,580.87 × 2,076.69
  4. Step 4: Simplify right side
    3,320.85x = 9,513,046.92
  5. Step 5: Solve for x
    x = 9,513,046.92/3,320.85
  6. Step 6: Final answer
    x = 2,864.64

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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.