Home / 5,783.72-7,979.46-5,225

Finding the Fourth Proportional to 5,783.72, 7,979.46 and 5,225

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Solution

The fourth proportional to 5,783.72, 7,979.46 and 5,225 is: 7,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.72 : 7,979.46 = 5,225 : x
  2. Step 2: Convert to fraction form
    5,783.72/7,979.46 = 5,225/x
  3. Step 3: Cross multiply
    5,783.72x = 7,979.46 × 5,225
  4. Step 4: Simplify right side
    5,783.72x = 41,692,678.50
  5. Step 5: Solve for x
    x = 41,692,678.50/5,783.72
  6. Step 6: Final answer
    x = 7,208.63

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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.