Home / 5,470.16-8,205.25-1,574.57

Finding the Fourth Proportional to 5,470.16, 8,205.25 and 1,574.57

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Solution

The fourth proportional to 5,470.16, 8,205.25 and 1,574.57 is: 2,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.16 : 8,205.25 = 1,574.57 : x
  2. Step 2: Convert to fraction form
    5,470.16/8,205.25 = 1,574.57/x
  3. Step 3: Cross multiply
    5,470.16x = 8,205.25 × 1,574.57
  4. Step 4: Simplify right side
    5,470.16x = 12,919,740.49
  5. Step 5: Solve for x
    x = 12,919,740.49/5,470.16
  6. Step 6: Final answer
    x = 2,361.86

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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.