Home / 5,010.42-6,916.50-3,122.94

Finding the Fourth Proportional to 5,010.42, 6,916.50 and 3,122.94

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Solution

The fourth proportional to 5,010.42, 6,916.50 and 3,122.94 is: 4,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.42 : 6,916.50 = 3,122.94 : x
  2. Step 2: Convert to fraction form
    5,010.42/6,916.50 = 3,122.94/x
  3. Step 3: Cross multiply
    5,010.42x = 6,916.50 × 3,122.94
  4. Step 4: Simplify right side
    5,010.42x = 21,599,814.51
  5. Step 5: Solve for x
    x = 21,599,814.51/5,010.42
  6. Step 6: Final answer
    x = 4,310.98

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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.