Home / 2,957.67-4,432.32-1,642.01

Finding the Fourth Proportional to 2,957.67, 4,432.32 and 1,642.01

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Solution

The fourth proportional to 2,957.67, 4,432.32 and 1,642.01 is: 2,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.67 : 4,432.32 = 1,642.01 : x
  2. Step 2: Convert to fraction form
    2,957.67/4,432.32 = 1,642.01/x
  3. Step 3: Cross multiply
    2,957.67x = 4,432.32 × 1,642.01
  4. Step 4: Simplify right side
    2,957.67x = 7,277,891.60
  5. Step 5: Solve for x
    x = 7,277,891.60/2,957.67
  6. Step 6: Final answer
    x = 2,460.68

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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.