Home / 3,002.22-4,142.61-1,675.98

Finding the Fourth Proportional to 3,002.22, 4,142.61 and 1,675.98

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Solution

The fourth proportional to 3,002.22, 4,142.61 and 1,675.98 is: 2,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.22 : 4,142.61 = 1,675.98 : x
  2. Step 2: Convert to fraction form
    3,002.22/4,142.61 = 1,675.98/x
  3. Step 3: Cross multiply
    3,002.22x = 4,142.61 × 1,675.98
  4. Step 4: Simplify right side
    3,002.22x = 6,942,931.51
  5. Step 5: Solve for x
    x = 6,942,931.51/3,002.22
  6. Step 6: Final answer
    x = 2,312.60

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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.