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Finding the Fourth Proportional to 5,353, 7,386.95 and 2,963.07

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Solution

The fourth proportional to 5,353, 7,386.95 and 2,963.07 is: 4,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353 : 7,386.95 = 2,963.07 : x
  2. Step 2: Convert to fraction form
    5,353/7,386.95 = 2,963.07/x
  3. Step 3: Cross multiply
    5,353x = 7,386.95 × 2,963.07
  4. Step 4: Simplify right side
    5,353x = 21,888,049.94
  5. Step 5: Solve for x
    x = 21,888,049.94/5,353
  6. Step 6: Final answer
    x = 4,088.93

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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.