Home / 5,153.23-7,111.45-2,795.37

Finding the Fourth Proportional to 5,153.23, 7,111.45 and 2,795.37

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Solution

The fourth proportional to 5,153.23, 7,111.45 and 2,795.37 is: 3,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.23 : 7,111.45 = 2,795.37 : x
  2. Step 2: Convert to fraction form
    5,153.23/7,111.45 = 2,795.37/x
  3. Step 3: Cross multiply
    5,153.23x = 7,111.45 × 2,795.37
  4. Step 4: Simplify right side
    5,153.23x = 19,879,127.00
  5. Step 5: Solve for x
    x = 19,879,127.00/5,153.23
  6. Step 6: Final answer
    x = 3,857.61

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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.