Home / 3,174.51-4,380.68-1,758.11

Finding the Fourth Proportional to 3,174.51, 4,380.68 and 1,758.11

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Solution

The fourth proportional to 3,174.51, 4,380.68 and 1,758.11 is: 2,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.51 : 4,380.68 = 1,758.11 : x
  2. Step 2: Convert to fraction form
    3,174.51/4,380.68 = 1,758.11/x
  3. Step 3: Cross multiply
    3,174.51x = 4,380.68 × 1,758.11
  4. Step 4: Simplify right side
    3,174.51x = 7,701,699.81
  5. Step 5: Solve for x
    x = 7,701,699.81/3,174.51
  6. Step 6: Final answer
    x = 2,426.10

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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.