Home / 5,191.26-7,164.03-2,953.18

Finding the Fourth Proportional to 5,191.26, 7,164.03 and 2,953.18

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Solution

The fourth proportional to 5,191.26, 7,164.03 and 2,953.18 is: 4,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.26 : 7,164.03 = 2,953.18 : x
  2. Step 2: Convert to fraction form
    5,191.26/7,164.03 = 2,953.18/x
  3. Step 3: Cross multiply
    5,191.26x = 7,164.03 × 2,953.18
  4. Step 4: Simplify right side
    5,191.26x = 21,156,670.12
  5. Step 5: Solve for x
    x = 21,156,670.12/5,191.26
  6. Step 6: Final answer
    x = 4,075.44

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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.