Home / 5,305.02-7,957.71-1,409.43

Finding the Fourth Proportional to 5,305.02, 7,957.71 and 1,409.43

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Solution

The fourth proportional to 5,305.02, 7,957.71 and 1,409.43 is: 2,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.02 : 7,957.71 = 1,409.43 : x
  2. Step 2: Convert to fraction form
    5,305.02/7,957.71 = 1,409.43/x
  3. Step 3: Cross multiply
    5,305.02x = 7,957.71 × 1,409.43
  4. Step 4: Simplify right side
    5,305.02x = 11,215,835.21
  5. Step 5: Solve for x
    x = 11,215,835.21/5,305.02
  6. Step 6: Final answer
    x = 2,114.19

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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.