Home / 5,335.88-7,359.80-4,215.02

Finding the Fourth Proportional to 5,335.88, 7,359.80 and 4,215.02

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Solution

The fourth proportional to 5,335.88, 7,359.80 and 4,215.02 is: 5,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.88 : 7,359.80 = 4,215.02 : x
  2. Step 2: Convert to fraction form
    5,335.88/7,359.80 = 4,215.02/x
  3. Step 3: Cross multiply
    5,335.88x = 7,359.80 × 4,215.02
  4. Step 4: Simplify right side
    5,335.88x = 31,021,704.20
  5. Step 5: Solve for x
    x = 31,021,704.20/5,335.88
  6. Step 6: Final answer
    x = 5,813.79

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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.