Home / 4,083.96-5,635.88-2,315.70

Finding the Fourth Proportional to 4,083.96, 5,635.88 and 2,315.70

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Solution

The fourth proportional to 4,083.96, 5,635.88 and 2,315.70 is: 3,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.96 : 5,635.88 = 2,315.70 : x
  2. Step 2: Convert to fraction form
    4,083.96/5,635.88 = 2,315.70/x
  3. Step 3: Cross multiply
    4,083.96x = 5,635.88 × 2,315.70
  4. Step 4: Simplify right side
    4,083.96x = 13,051,007.32
  5. Step 5: Solve for x
    x = 13,051,007.32/4,083.96
  6. Step 6: Final answer
    x = 3,195.67

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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.