Home / 5,191.08-7,164.07-2,953.68

Finding the Fourth Proportional to 5,191.08, 7,164.07 and 2,953.68

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Solution

The fourth proportional to 5,191.08, 7,164.07 and 2,953.68 is: 4,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.08 : 7,164.07 = 2,953.68 : x
  2. Step 2: Convert to fraction form
    5,191.08/7,164.07 = 2,953.68/x
  3. Step 3: Cross multiply
    5,191.08x = 7,164.07 × 2,953.68
  4. Step 4: Simplify right side
    5,191.08x = 21,160,347.10
  5. Step 5: Solve for x
    x = 21,160,347.10/5,191.08
  6. Step 6: Final answer
    x = 4,076.29

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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.