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Finding the Fourth Proportional to 3,973.44, 5,482.47 and 2,401.50

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Solution

The fourth proportional to 3,973.44, 5,482.47 and 2,401.50 is: 3,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.44 : 5,482.47 = 2,401.50 : x
  2. Step 2: Convert to fraction form
    3,973.44/5,482.47 = 2,401.50/x
  3. Step 3: Cross multiply
    3,973.44x = 5,482.47 × 2,401.50
  4. Step 4: Simplify right side
    3,973.44x = 13,166,151.71
  5. Step 5: Solve for x
    x = 13,166,151.71/3,973.44
  6. Step 6: Final answer
    x = 3,313.54

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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.