Home / 6,079.28-8,424.06-5,709.36

Finding the Fourth Proportional to 6,079.28, 8,424.06 and 5,709.36

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Solution

The fourth proportional to 6,079.28, 8,424.06 and 5,709.36 is: 7,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.28 : 8,424.06 = 5,709.36 : x
  2. Step 2: Convert to fraction form
    6,079.28/8,424.06 = 5,709.36/x
  3. Step 3: Cross multiply
    6,079.28x = 8,424.06 × 5,709.36
  4. Step 4: Simplify right side
    6,079.28x = 48,095,991.20
  5. Step 5: Solve for x
    x = 48,095,991.20/6,079.28
  6. Step 6: Final answer
    x = 7,911.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.