Home / 3,580.45-4,940.61-2,088.32

Finding the Fourth Proportional to 3,580.45, 4,940.61 and 2,088.32

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Solution

The fourth proportional to 3,580.45, 4,940.61 and 2,088.32 is: 2,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.45 : 4,940.61 = 2,088.32 : x
  2. Step 2: Convert to fraction form
    3,580.45/4,940.61 = 2,088.32/x
  3. Step 3: Cross multiply
    3,580.45x = 4,940.61 × 2,088.32
  4. Step 4: Simplify right side
    3,580.45x = 10,317,565.92
  5. Step 5: Solve for x
    x = 10,317,565.92/3,580.45
  6. Step 6: Final answer
    x = 2,881.64

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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.