Home / 5,326.63-7,348.73-3,087.72

Finding the Fourth Proportional to 5,326.63, 7,348.73 and 3,087.72

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Solution

The fourth proportional to 5,326.63, 7,348.73 and 3,087.72 is: 4,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.63 : 7,348.73 = 3,087.72 : x
  2. Step 2: Convert to fraction form
    5,326.63/7,348.73 = 3,087.72/x
  3. Step 3: Cross multiply
    5,326.63x = 7,348.73 × 3,087.72
  4. Step 4: Simplify right side
    5,326.63x = 22,690,805.16
  5. Step 5: Solve for x
    x = 22,690,805.16/5,326.63
  6. Step 6: Final answer
    x = 4,259.88

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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.