Home / 4,142.34-5,715.77-2,548.67

Finding the Fourth Proportional to 4,142.34, 5,715.77 and 2,548.67

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Solution

The fourth proportional to 4,142.34, 5,715.77 and 2,548.67 is: 3,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.34 : 5,715.77 = 2,548.67 : x
  2. Step 2: Convert to fraction form
    4,142.34/5,715.77 = 2,548.67/x
  3. Step 3: Cross multiply
    4,142.34x = 5,715.77 × 2,548.67
  4. Step 4: Simplify right side
    4,142.34x = 14,567,570.20
  5. Step 5: Solve for x
    x = 14,567,570.20/4,142.34
  6. Step 6: Final answer
    x = 3,516.75

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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.