Home / 2,935.12-4,376.81-2,908.80

Finding the Fourth Proportional to 2,935.12, 4,376.81 and 2,908.80

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Solution

The fourth proportional to 2,935.12, 4,376.81 and 2,908.80 is: 4,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.12 : 4,376.81 = 2,908.80 : x
  2. Step 2: Convert to fraction form
    2,935.12/4,376.81 = 2,908.80/x
  3. Step 3: Cross multiply
    2,935.12x = 4,376.81 × 2,908.80
  4. Step 4: Simplify right side
    2,935.12x = 12,731,264.93
  5. Step 5: Solve for x
    x = 12,731,264.93/2,935.12
  6. Step 6: Final answer
    x = 4,337.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.