Home / 5,042.49-7,563.71-1,921.79

Finding the Fourth Proportional to 5,042.49, 7,563.71 and 1,921.79

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Solution

The fourth proportional to 5,042.49, 7,563.71 and 1,921.79 is: 2,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.49 : 7,563.71 = 1,921.79 : x
  2. Step 2: Convert to fraction form
    5,042.49/7,563.71 = 1,921.79/x
  3. Step 3: Cross multiply
    5,042.49x = 7,563.71 × 1,921.79
  4. Step 4: Simplify right side
    5,042.49x = 14,535,829.23
  5. Step 5: Solve for x
    x = 14,535,829.23/5,042.49
  6. Step 6: Final answer
    x = 2,882.67

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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.