Home / 5,191.35-7,164.07-2,953.67

Finding the Fourth Proportional to 5,191.35, 7,164.07 and 2,953.67

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Solution

The fourth proportional to 5,191.35, 7,164.07 and 2,953.67 is: 4,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.35 : 7,164.07 = 2,953.67 : x
  2. Step 2: Convert to fraction form
    5,191.35/7,164.07 = 2,953.67/x
  3. Step 3: Cross multiply
    5,191.35x = 7,164.07 × 2,953.67
  4. Step 4: Simplify right side
    5,191.35x = 21,160,255.43
  5. Step 5: Solve for x
    x = 21,160,255.43/5,191.35
  6. Step 6: Final answer
    x = 4,076.06

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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.