Home / 3,002.20-4,143.23-1,675.93

Finding the Fourth Proportional to 3,002.20, 4,143.23 and 1,675.93

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Solution

The fourth proportional to 3,002.20, 4,143.23 and 1,675.93 is: 2,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.20 : 4,143.23 = 1,675.93 : x
  2. Step 2: Convert to fraction form
    3,002.20/4,143.23 = 1,675.93/x
  3. Step 3: Cross multiply
    3,002.20x = 4,143.23 × 1,675.93
  4. Step 4: Simplify right side
    3,002.20x = 6,943,763.45
  5. Step 5: Solve for x
    x = 6,943,763.45/3,002.20
  6. Step 6: Final answer
    x = 2,312.89

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1.5x scale

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.