Home / 3,431.13-4,732.21-2,368.65

Finding the Fourth Proportional to 3,431.13, 4,732.21 and 2,368.65

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Solution

The fourth proportional to 3,431.13, 4,732.21 and 2,368.65 is: 3,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.13 : 4,732.21 = 2,368.65 : x
  2. Step 2: Convert to fraction form
    3,431.13/4,732.21 = 2,368.65/x
  3. Step 3: Cross multiply
    3,431.13x = 4,732.21 × 2,368.65
  4. Step 4: Simplify right side
    3,431.13x = 11,208,949.22
  5. Step 5: Solve for x
    x = 11,208,949.22/3,431.13
  6. Step 6: Final answer
    x = 3,266.84

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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.