Home / 10,302.90-15,457.26-2,907.43

Finding the Fourth Proportional to 10,302.90, 15,457.26 and 2,907.43

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Solution

The fourth proportional to 10,302.90, 15,457.26 and 2,907.43 is: 4,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.90 : 15,457.26 = 2,907.43 : x
  2. Step 2: Convert to fraction form
    10,302.90/15,457.26 = 2,907.43/x
  3. Step 3: Cross multiply
    10,302.90x = 15,457.26 × 2,907.43
  4. Step 4: Simplify right side
    10,302.90x = 44,940,849.17
  5. Step 5: Solve for x
    x = 44,940,849.17/10,302.90
  6. Step 6: Final answer
    x = 4,361.96

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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.