Home / 5,141.07-7,094.69-2,783.21

Finding the Fourth Proportional to 5,141.07, 7,094.69 and 2,783.21

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Solution

The fourth proportional to 5,141.07, 7,094.69 and 2,783.21 is: 3,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.07 : 7,094.69 = 2,783.21 : x
  2. Step 2: Convert to fraction form
    5,141.07/7,094.69 = 2,783.21/x
  3. Step 3: Cross multiply
    5,141.07x = 7,094.69 × 2,783.21
  4. Step 4: Simplify right side
    5,141.07x = 19,745,962.77
  5. Step 5: Solve for x
    x = 19,745,962.77/5,141.07
  6. Step 6: Final answer
    x = 3,840.83

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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.