Home / 6,874.14-10,312.38-2,430.57

Finding the Fourth Proportional to 6,874.14, 10,312.38 and 2,430.57

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Solution

The fourth proportional to 6,874.14, 10,312.38 and 2,430.57 is: 3,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.14 : 10,312.38 = 2,430.57 : x
  2. Step 2: Convert to fraction form
    6,874.14/10,312.38 = 2,430.57/x
  3. Step 3: Cross multiply
    6,874.14x = 10,312.38 × 2,430.57
  4. Step 4: Simplify right side
    6,874.14x = 25,064,961.46
  5. Step 5: Solve for x
    x = 25,064,961.46/6,874.14
  6. Step 6: Final answer
    x = 3,646.27

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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.