Home / 5,757.34-8,637.23-1,861.45

Finding the Fourth Proportional to 5,757.34, 8,637.23 and 1,861.45

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Solution

The fourth proportional to 5,757.34, 8,637.23 and 1,861.45 is: 2,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.34 : 8,637.23 = 1,861.45 : x
  2. Step 2: Convert to fraction form
    5,757.34/8,637.23 = 1,861.45/x
  3. Step 3: Cross multiply
    5,757.34x = 8,637.23 × 1,861.45
  4. Step 4: Simplify right side
    5,757.34x = 16,077,771.78
  5. Step 5: Solve for x
    x = 16,077,771.78/5,757.34
  6. Step 6: Final answer
    x = 2,792.57

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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.