Home / 3,275.94-4,522.53-2,158.75

Finding the Fourth Proportional to 3,275.94, 4,522.53 and 2,158.75

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Solution

The fourth proportional to 3,275.94, 4,522.53 and 2,158.75 is: 2,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.94 : 4,522.53 = 2,158.75 : x
  2. Step 2: Convert to fraction form
    3,275.94/4,522.53 = 2,158.75/x
  3. Step 3: Cross multiply
    3,275.94x = 4,522.53 × 2,158.75
  4. Step 4: Simplify right side
    3,275.94x = 9,763,025.39
  5. Step 5: Solve for x
    x = 9,763,025.39/3,275.94
  6. Step 6: Final answer
    x = 2,980.22

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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.