Home / 5,669.16-7,823.61-3,431.45

Finding the Fourth Proportional to 5,669.16, 7,823.61 and 3,431.45

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Solution

The fourth proportional to 5,669.16, 7,823.61 and 3,431.45 is: 4,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.16 : 7,823.61 = 3,431.45 : x
  2. Step 2: Convert to fraction form
    5,669.16/7,823.61 = 3,431.45/x
  3. Step 3: Cross multiply
    5,669.16x = 7,823.61 × 3,431.45
  4. Step 4: Simplify right side
    5,669.16x = 26,846,287.42
  5. Step 5: Solve for x
    x = 26,846,287.42/5,669.16
  6. Step 6: Final answer
    x = 4,735.50

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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.