Home / 3,280.12-4,523.10-2,580.28

Finding the Fourth Proportional to 3,280.12, 4,523.10 and 2,580.28

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Solution

The fourth proportional to 3,280.12, 4,523.10 and 2,580.28 is: 3,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.12 : 4,523.10 = 2,580.28 : x
  2. Step 2: Convert to fraction form
    3,280.12/4,523.10 = 2,580.28/x
  3. Step 3: Cross multiply
    3,280.12x = 4,523.10 × 2,580.28
  4. Step 4: Simplify right side
    3,280.12x = 11,670,864.47
  5. Step 5: Solve for x
    x = 11,670,864.47/3,280.12
  6. Step 6: Final answer
    x = 3,558.06

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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.