Home / 5,134.38-7,085.44-3,038.50

Finding the Fourth Proportional to 5,134.38, 7,085.44 and 3,038.50

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Solution

The fourth proportional to 5,134.38, 7,085.44 and 3,038.50 is: 4,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.38 : 7,085.44 = 3,038.50 : x
  2. Step 2: Convert to fraction form
    5,134.38/7,085.44 = 3,038.50/x
  3. Step 3: Cross multiply
    5,134.38x = 7,085.44 × 3,038.50
  4. Step 4: Simplify right side
    5,134.38x = 21,529,109.44
  5. Step 5: Solve for x
    x = 21,529,109.44/5,134.38
  6. Step 6: Final answer
    x = 4,193.13

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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.