Home / 5,861.81-8,089.40-3,623.63

Finding the Fourth Proportional to 5,861.81, 8,089.40 and 3,623.63

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Solution

The fourth proportional to 5,861.81, 8,089.40 and 3,623.63 is: 5,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.81 : 8,089.40 = 3,623.63 : x
  2. Step 2: Convert to fraction form
    5,861.81/8,089.40 = 3,623.63/x
  3. Step 3: Cross multiply
    5,861.81x = 8,089.40 × 3,623.63
  4. Step 4: Simplify right side
    5,861.81x = 29,312,992.52
  5. Step 5: Solve for x
    x = 29,312,992.52/5,861.81
  6. Step 6: Final answer
    x = 5,000.67

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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.