Home / 3,107.34-4,656.40-2,450.81

Finding the Fourth Proportional to 3,107.34, 4,656.40 and 2,450.81

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Solution

The fourth proportional to 3,107.34, 4,656.40 and 2,450.81 is: 3,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.34 : 4,656.40 = 2,450.81 : x
  2. Step 2: Convert to fraction form
    3,107.34/4,656.40 = 2,450.81/x
  3. Step 3: Cross multiply
    3,107.34x = 4,656.40 × 2,450.81
  4. Step 4: Simplify right side
    3,107.34x = 11,411,957.20
  5. Step 5: Solve for x
    x = 11,411,957.20/3,107.34
  6. Step 6: Final answer
    x = 3,672.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.