Home / 4,940.60-7,409.27-1,430.26

Finding the Fourth Proportional to 4,940.60, 7,409.27 and 1,430.26

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Solution

The fourth proportional to 4,940.60, 7,409.27 and 1,430.26 is: 2,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.60 : 7,409.27 = 1,430.26 : x
  2. Step 2: Convert to fraction form
    4,940.60/7,409.27 = 1,430.26/x
  3. Step 3: Cross multiply
    4,940.60x = 7,409.27 × 1,430.26
  4. Step 4: Simplify right side
    4,940.60x = 10,597,167.56
  5. Step 5: Solve for x
    x = 10,597,167.56/4,940.60
  6. Step 6: Final answer
    x = 2,144.92

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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.