Home / 3,435.75-4,739.45-2,442.51

Finding the Fourth Proportional to 3,435.75, 4,739.45 and 2,442.51

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Solution

The fourth proportional to 3,435.75, 4,739.45 and 2,442.51 is: 3,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.75 : 4,739.45 = 2,442.51 : x
  2. Step 2: Convert to fraction form
    3,435.75/4,739.45 = 2,442.51/x
  3. Step 3: Cross multiply
    3,435.75x = 4,739.45 × 2,442.51
  4. Step 4: Simplify right side
    3,435.75x = 11,576,141.81
  5. Step 5: Solve for x
    x = 11,576,141.81/3,435.75
  6. Step 6: Final answer
    x = 3,369.32

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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.