Home / 1,632.36-2,449.35-1,047.68

Finding the Fourth Proportional to 1,632.36, 2,449.35 and 1,047.68

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Solution

The fourth proportional to 1,632.36, 2,449.35 and 1,047.68 is: 1,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.36 : 2,449.35 = 1,047.68 : x
  2. Step 2: Convert to fraction form
    1,632.36/2,449.35 = 1,047.68/x
  3. Step 3: Cross multiply
    1,632.36x = 2,449.35 × 1,047.68
  4. Step 4: Simplify right side
    1,632.36x = 2,566,122.76
  5. Step 5: Solve for x
    x = 2,566,122.76/1,632.36
  6. Step 6: Final answer
    x = 1,572.03

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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.