Home / 3,009.96-4,154.29-1,684.09

Finding the Fourth Proportional to 3,009.96, 4,154.29 and 1,684.09

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Solution

The fourth proportional to 3,009.96, 4,154.29 and 1,684.09 is: 2,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.96 : 4,154.29 = 1,684.09 : x
  2. Step 2: Convert to fraction form
    3,009.96/4,154.29 = 1,684.09/x
  3. Step 3: Cross multiply
    3,009.96x = 4,154.29 × 1,684.09
  4. Step 4: Simplify right side
    3,009.96x = 6,996,199.23
  5. Step 5: Solve for x
    x = 6,996,199.23/3,009.96
  6. Step 6: Final answer
    x = 2,324.35

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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.