Home / 4,783.89-7,174.68-1,663.06

Finding the Fourth Proportional to 4,783.89, 7,174.68 and 1,663.06

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Solution

The fourth proportional to 4,783.89, 7,174.68 and 1,663.06 is: 2,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.89 : 7,174.68 = 1,663.06 : x
  2. Step 2: Convert to fraction form
    4,783.89/7,174.68 = 1,663.06/x
  3. Step 3: Cross multiply
    4,783.89x = 7,174.68 × 1,663.06
  4. Step 4: Simplify right side
    4,783.89x = 11,931,928.28
  5. Step 5: Solve for x
    x = 11,931,928.28/4,783.89
  6. Step 6: Final answer
    x = 2,494.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.