Home / 4,175.50-5,762.38-2,312.50

Finding the Fourth Proportional to 4,175.50, 5,762.38 and 2,312.50

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Solution

The fourth proportional to 4,175.50, 5,762.38 and 2,312.50 is: 3,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.50 : 5,762.38 = 2,312.50 : x
  2. Step 2: Convert to fraction form
    4,175.50/5,762.38 = 2,312.50/x
  3. Step 3: Cross multiply
    4,175.50x = 5,762.38 × 2,312.50
  4. Step 4: Simplify right side
    4,175.50x = 13,325,503.75
  5. Step 5: Solve for x
    x = 13,325,503.75/4,175.50
  6. Step 6: Final answer
    x = 3,191.36

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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.