Home / 2,938.26-4,055.63-2,097.62

Finding the Fourth Proportional to 2,938.26, 4,055.63 and 2,097.62

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Solution

The fourth proportional to 2,938.26, 4,055.63 and 2,097.62 is: 2,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.26 : 4,055.63 = 2,097.62 : x
  2. Step 2: Convert to fraction form
    2,938.26/4,055.63 = 2,097.62/x
  3. Step 3: Cross multiply
    2,938.26x = 4,055.63 × 2,097.62
  4. Step 4: Simplify right side
    2,938.26x = 8,507,170.60
  5. Step 5: Solve for x
    x = 8,507,170.60/2,938.26
  6. Step 6: Final answer
    x = 2,895.31

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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.