Home / 5,659.07-7,809.50-3,141.56

Finding the Fourth Proportional to 5,659.07, 7,809.50 and 3,141.56

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Solution

The fourth proportional to 5,659.07, 7,809.50 and 3,141.56 is: 4,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.07 : 7,809.50 = 3,141.56 : x
  2. Step 2: Convert to fraction form
    5,659.07/7,809.50 = 3,141.56/x
  3. Step 3: Cross multiply
    5,659.07x = 7,809.50 × 3,141.56
  4. Step 4: Simplify right side
    5,659.07x = 24,534,040.20
  5. Step 5: Solve for x
    x = 24,534,040.20/5,659.07
  6. Step 6: Final answer
    x = 4,335.35

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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.