Home / 4,385.50-6,054.69-2,816.36

Finding the Fourth Proportional to 4,385.50, 6,054.69 and 2,816.36

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Solution

The fourth proportional to 4,385.50, 6,054.69 and 2,816.36 is: 3,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.50 : 6,054.69 = 2,816.36 : x
  2. Step 2: Convert to fraction form
    4,385.50/6,054.69 = 2,816.36/x
  3. Step 3: Cross multiply
    4,385.50x = 6,054.69 × 2,816.36
  4. Step 4: Simplify right side
    4,385.50x = 17,052,186.73
  5. Step 5: Solve for x
    x = 17,052,186.73/4,385.50
  6. Step 6: Final answer
    x = 3,888.31

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Half scale
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Double scale
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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.