Home / 5,401.45-7,457.44-4,409.09

Finding the Fourth Proportional to 5,401.45, 7,457.44 and 4,409.09

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Solution

The fourth proportional to 5,401.45, 7,457.44 and 4,409.09 is: 6,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.45 : 7,457.44 = 4,409.09 : x
  2. Step 2: Convert to fraction form
    5,401.45/7,457.44 = 4,409.09/x
  3. Step 3: Cross multiply
    5,401.45x = 7,457.44 × 4,409.09
  4. Step 4: Simplify right side
    5,401.45x = 32,880,516.51
  5. Step 5: Solve for x
    x = 32,880,516.51/5,401.45
  6. Step 6: Final answer
    x = 6,087.35

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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.