Home / 5,343.30-8,014.95-2,879.28

Finding the Fourth Proportional to 5,343.30, 8,014.95 and 2,879.28

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Solution

The fourth proportional to 5,343.30, 8,014.95 and 2,879.28 is: 4,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.30 : 8,014.95 = 2,879.28 : x
  2. Step 2: Convert to fraction form
    5,343.30/8,014.95 = 2,879.28/x
  3. Step 3: Cross multiply
    5,343.30x = 8,014.95 × 2,879.28
  4. Step 4: Simplify right side
    5,343.30x = 23,077,285.24
  5. Step 5: Solve for x
    x = 23,077,285.24/5,343.30
  6. Step 6: Final answer
    x = 4,318.92

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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.