Home / 4,749.64-7,123.75-1,827.56

Finding the Fourth Proportional to 4,749.64, 7,123.75 and 1,827.56

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Solution

The fourth proportional to 4,749.64, 7,123.75 and 1,827.56 is: 2,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.64 : 7,123.75 = 1,827.56 : x
  2. Step 2: Convert to fraction form
    4,749.64/7,123.75 = 1,827.56/x
  3. Step 3: Cross multiply
    4,749.64x = 7,123.75 × 1,827.56
  4. Step 4: Simplify right side
    4,749.64x = 13,019,093.79
  5. Step 5: Solve for x
    x = 13,019,093.79/4,749.64
  6. Step 6: Final answer
    x = 2,741.07

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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.