Home / 7,622.29-11,434.12-2,075.66

Finding the Fourth Proportional to 7,622.29, 11,434.12 and 2,075.66

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Solution

The fourth proportional to 7,622.29, 11,434.12 and 2,075.66 is: 3,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.29 : 11,434.12 = 2,075.66 : x
  2. Step 2: Convert to fraction form
    7,622.29/11,434.12 = 2,075.66/x
  3. Step 3: Cross multiply
    7,622.29x = 11,434.12 × 2,075.66
  4. Step 4: Simplify right side
    7,622.29x = 23,733,345.52
  5. Step 5: Solve for x
    x = 23,733,345.52/7,622.29
  6. Step 6: Final answer
    x = 3,113.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.