Home / 3,165.66-4,368.60-1,749.42

Finding the Fourth Proportional to 3,165.66, 4,368.60 and 1,749.42

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Solution

The fourth proportional to 3,165.66, 4,368.60 and 1,749.42 is: 2,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.66 : 4,368.60 = 1,749.42 : x
  2. Step 2: Convert to fraction form
    3,165.66/4,368.60 = 1,749.42/x
  3. Step 3: Cross multiply
    3,165.66x = 4,368.60 × 1,749.42
  4. Step 4: Simplify right side
    3,165.66x = 7,642,516.21
  5. Step 5: Solve for x
    x = 7,642,516.21/3,165.66
  6. Step 6: Final answer
    x = 2,414.19

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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.