Home / 5,191.88-7,165.49-2,953.33

Finding the Fourth Proportional to 5,191.88, 7,165.49 and 2,953.33

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Solution

The fourth proportional to 5,191.88, 7,165.49 and 2,953.33 is: 4,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.88 : 7,165.49 = 2,953.33 : x
  2. Step 2: Convert to fraction form
    5,191.88/7,165.49 = 2,953.33/x
  3. Step 3: Cross multiply
    5,191.88x = 7,165.49 × 2,953.33
  4. Step 4: Simplify right side
    5,191.88x = 21,162,023.90
  5. Step 5: Solve for x
    x = 21,162,023.90/5,191.88
  6. Step 6: Final answer
    x = 4,075.98

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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.