Home / 3,970.08-5,953.23-1,628.10

Finding the Fourth Proportional to 3,970.08, 5,953.23 and 1,628.10

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Solution

The fourth proportional to 3,970.08, 5,953.23 and 1,628.10 is: 2,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.08 : 5,953.23 = 1,628.10 : x
  2. Step 2: Convert to fraction form
    3,970.08/5,953.23 = 1,628.10/x
  3. Step 3: Cross multiply
    3,970.08x = 5,953.23 × 1,628.10
  4. Step 4: Simplify right side
    3,970.08x = 9,692,453.76
  5. Step 5: Solve for x
    x = 9,692,453.76/3,970.08
  6. Step 6: Final answer
    x = 2,441.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.