Home / 5,191.10-7,163.92-2,953.18

Finding the Fourth Proportional to 5,191.10, 7,163.92 and 2,953.18

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Solution

The fourth proportional to 5,191.10, 7,163.92 and 2,953.18 is: 4,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.10 : 7,163.92 = 2,953.18 : x
  2. Step 2: Convert to fraction form
    5,191.10/7,163.92 = 2,953.18/x
  3. Step 3: Cross multiply
    5,191.10x = 7,163.92 × 2,953.18
  4. Step 4: Simplify right side
    5,191.10x = 21,156,345.27
  5. Step 5: Solve for x
    x = 21,156,345.27/5,191.10
  6. Step 6: Final answer
    x = 4,075.50

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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.