Home / 5,239.72-7,818.73-4,773.97

Finding the Fourth Proportional to 5,239.72, 7,818.73 and 4,773.97

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Solution

The fourth proportional to 5,239.72, 7,818.73 and 4,773.97 is: 7,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.72 : 7,818.73 = 4,773.97 : x
  2. Step 2: Convert to fraction form
    5,239.72/7,818.73 = 4,773.97/x
  3. Step 3: Cross multiply
    5,239.72x = 7,818.73 × 4,773.97
  4. Step 4: Simplify right side
    5,239.72x = 37,326,343.36
  5. Step 5: Solve for x
    x = 37,326,343.36/5,239.72
  6. Step 6: Final answer
    x = 7,123.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.