Home / 2,938.62-4,055.49-2,054.10

Finding the Fourth Proportional to 2,938.62, 4,055.49 and 2,054.10

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Solution

The fourth proportional to 2,938.62, 4,055.49 and 2,054.10 is: 2,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.62 : 4,055.49 = 2,054.10 : x
  2. Step 2: Convert to fraction form
    2,938.62/4,055.49 = 2,054.10/x
  3. Step 3: Cross multiply
    2,938.62x = 4,055.49 × 2,054.10
  4. Step 4: Simplify right side
    2,938.62x = 8,330,382.01
  5. Step 5: Solve for x
    x = 8,330,382.01/2,938.62
  6. Step 6: Final answer
    x = 2,834.79

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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.