Home / 5,374.23-7,416.54-3,136.74

Finding the Fourth Proportional to 5,374.23, 7,416.54 and 3,136.74

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Solution

The fourth proportional to 5,374.23, 7,416.54 and 3,136.74 is: 4,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.23 : 7,416.54 = 3,136.74 : x
  2. Step 2: Convert to fraction form
    5,374.23/7,416.54 = 3,136.74/x
  3. Step 3: Cross multiply
    5,374.23x = 7,416.54 × 3,136.74
  4. Step 4: Simplify right side
    5,374.23x = 23,263,757.68
  5. Step 5: Solve for x
    x = 23,263,757.68/5,374.23
  6. Step 6: Final answer
    x = 4,328.76

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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.