Home / 7,939.89-10,957.26-4,355.01

Finding the Fourth Proportional to 7,939.89, 10,957.26 and 4,355.01

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Solution

The fourth proportional to 7,939.89, 10,957.26 and 4,355.01 is: 6,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.89 : 10,957.26 = 4,355.01 : x
  2. Step 2: Convert to fraction form
    7,939.89/10,957.26 = 4,355.01/x
  3. Step 3: Cross multiply
    7,939.89x = 10,957.26 × 4,355.01
  4. Step 4: Simplify right side
    7,939.89x = 47,718,976.87
  5. Step 5: Solve for x
    x = 47,718,976.87/7,939.89
  6. Step 6: Final answer
    x = 6,010.03

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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.