Home / 2,957.04-4,081.11-1,698.15

Finding the Fourth Proportional to 2,957.04, 4,081.11 and 1,698.15

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Solution

The fourth proportional to 2,957.04, 4,081.11 and 1,698.15 is: 2,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.04 : 4,081.11 = 1,698.15 : x
  2. Step 2: Convert to fraction form
    2,957.04/4,081.11 = 1,698.15/x
  3. Step 3: Cross multiply
    2,957.04x = 4,081.11 × 1,698.15
  4. Step 4: Simplify right side
    2,957.04x = 6,930,336.95
  5. Step 5: Solve for x
    x = 6,930,336.95/2,957.04
  6. Step 6: Final answer
    x = 2,343.67

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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.