Home / 5,276.48-7,282.56-3,039.68

Finding the Fourth Proportional to 5,276.48, 7,282.56 and 3,039.68

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Solution

The fourth proportional to 5,276.48, 7,282.56 and 3,039.68 is: 4,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.48 : 7,282.56 = 3,039.68 : x
  2. Step 2: Convert to fraction form
    5,276.48/7,282.56 = 3,039.68/x
  3. Step 3: Cross multiply
    5,276.48x = 7,282.56 × 3,039.68
  4. Step 4: Simplify right side
    5,276.48x = 22,136,651.98
  5. Step 5: Solve for x
    x = 22,136,651.98/5,276.48
  6. Step 6: Final answer
    x = 4,195.34

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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.