Home / 4,912.89-7,370.47-1,402.94

Finding the Fourth Proportional to 4,912.89, 7,370.47 and 1,402.94

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Solution

The fourth proportional to 4,912.89, 7,370.47 and 1,402.94 is: 2,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.89 : 7,370.47 = 1,402.94 : x
  2. Step 2: Convert to fraction form
    4,912.89/7,370.47 = 1,402.94/x
  3. Step 3: Cross multiply
    4,912.89x = 7,370.47 × 1,402.94
  4. Step 4: Simplify right side
    4,912.89x = 10,340,347.36
  5. Step 5: Solve for x
    x = 10,340,347.36/4,912.89
  6. Step 6: Final answer
    x = 2,104.74

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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.