Home / 5,276.86-7,282.19-3,038.38

Finding the Fourth Proportional to 5,276.86, 7,282.19 and 3,038.38

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Solution

The fourth proportional to 5,276.86, 7,282.19 and 3,038.38 is: 4,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.86 : 7,282.19 = 3,038.38 : x
  2. Step 2: Convert to fraction form
    5,276.86/7,282.19 = 3,038.38/x
  3. Step 3: Cross multiply
    5,276.86x = 7,282.19 × 3,038.38
  4. Step 4: Simplify right side
    5,276.86x = 22,126,027.05
  5. Step 5: Solve for x
    x = 22,126,027.05/5,276.86
  6. Step 6: Final answer
    x = 4,193.03

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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.