Home / 6,440.03-8,894.26-5,185.24

Finding the Fourth Proportional to 6,440.03, 8,894.26 and 5,185.24

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Solution

The fourth proportional to 6,440.03, 8,894.26 and 5,185.24 is: 7,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.03 : 8,894.26 = 5,185.24 : x
  2. Step 2: Convert to fraction form
    6,440.03/8,894.26 = 5,185.24/x
  3. Step 3: Cross multiply
    6,440.03x = 8,894.26 × 5,185.24
  4. Step 4: Simplify right side
    6,440.03x = 46,118,852.82
  5. Step 5: Solve for x
    x = 46,118,852.82/6,440.03
  6. Step 6: Final answer
    x = 7,161.28

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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.