Home / 5,715.74-8,587.99-3,636.67

Finding the Fourth Proportional to 5,715.74, 8,587.99 and 3,636.67

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Solution

The fourth proportional to 5,715.74, 8,587.99 and 3,636.67 is: 5,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.74 : 8,587.99 = 3,636.67 : x
  2. Step 2: Convert to fraction form
    5,715.74/8,587.99 = 3,636.67/x
  3. Step 3: Cross multiply
    5,715.74x = 8,587.99 × 3,636.67
  4. Step 4: Simplify right side
    5,715.74x = 31,231,685.59
  5. Step 5: Solve for x
    x = 31,231,685.59/5,715.74
  6. Step 6: Final answer
    x = 5,464.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.