Home / 4,083.76-5,635.57-2,315.71

Finding the Fourth Proportional to 4,083.76, 5,635.57 and 2,315.71

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Solution

The fourth proportional to 4,083.76, 5,635.57 and 2,315.71 is: 3,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.76 : 5,635.57 = 2,315.71 : x
  2. Step 2: Convert to fraction form
    4,083.76/5,635.57 = 2,315.71/x
  3. Step 3: Cross multiply
    4,083.76x = 5,635.57 × 2,315.71
  4. Step 4: Simplify right side
    4,083.76x = 13,050,345.80
  5. Step 5: Solve for x
    x = 13,050,345.80/4,083.76
  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.