Home / 3,376.52-4,661.08-2,165.72

Finding the Fourth Proportional to 3,376.52, 4,661.08 and 2,165.72

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Solution

The fourth proportional to 3,376.52, 4,661.08 and 2,165.72 is: 2,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.52 : 4,661.08 = 2,165.72 : x
  2. Step 2: Convert to fraction form
    3,376.52/4,661.08 = 2,165.72/x
  3. Step 3: Cross multiply
    3,376.52x = 4,661.08 × 2,165.72
  4. Step 4: Simplify right side
    3,376.52x = 10,094,594.18
  5. Step 5: Solve for x
    x = 10,094,594.18/3,376.52
  6. Step 6: Final answer
    x = 2,989.64

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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.