Home / 3,097.63-4,270.51-2,211.89

Finding the Fourth Proportional to 3,097.63, 4,270.51 and 2,211.89

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Solution

The fourth proportional to 3,097.63, 4,270.51 and 2,211.89 is: 3,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.63 : 4,270.51 = 2,211.89 : x
  2. Step 2: Convert to fraction form
    3,097.63/4,270.51 = 2,211.89/x
  3. Step 3: Cross multiply
    3,097.63x = 4,270.51 × 2,211.89
  4. Step 4: Simplify right side
    3,097.63x = 9,445,903.51
  5. Step 5: Solve for x
    x = 9,445,903.51/3,097.63
  6. Step 6: Final answer
    x = 3,049.40

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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.