Home / 2,999.46-4,139.07-1,740.41

Finding the Fourth Proportional to 2,999.46, 4,139.07 and 1,740.41

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Solution

The fourth proportional to 2,999.46, 4,139.07 and 1,740.41 is: 2,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.46 : 4,139.07 = 1,740.41 : x
  2. Step 2: Convert to fraction form
    2,999.46/4,139.07 = 1,740.41/x
  3. Step 3: Cross multiply
    2,999.46x = 4,139.07 × 1,740.41
  4. Step 4: Simplify right side
    2,999.46x = 7,203,658.12
  5. Step 5: Solve for x
    x = 7,203,658.12/2,999.46
  6. Step 6: Final answer
    x = 2,401.65

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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.