Home / 5,870.20-8,805.33-1,487.67

Finding the Fourth Proportional to 5,870.20, 8,805.33 and 1,487.67

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Solution

The fourth proportional to 5,870.20, 8,805.33 and 1,487.67 is: 2,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.20 : 8,805.33 = 1,487.67 : x
  2. Step 2: Convert to fraction form
    5,870.20/8,805.33 = 1,487.67/x
  3. Step 3: Cross multiply
    5,870.20x = 8,805.33 × 1,487.67
  4. Step 4: Simplify right side
    5,870.20x = 13,099,377.54
  5. Step 5: Solve for x
    x = 13,099,377.54/5,870.20
  6. Step 6: Final answer
    x = 2,231.51

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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.