Home / 9,048.73-13,570.91-3,780.90

Finding the Fourth Proportional to 9,048.73, 13,570.91 and 3,780.90

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Solution

The fourth proportional to 9,048.73, 13,570.91 and 3,780.90 is: 5,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.73 : 13,570.91 = 3,780.90 : x
  2. Step 2: Convert to fraction form
    9,048.73/13,570.91 = 3,780.90/x
  3. Step 3: Cross multiply
    9,048.73x = 13,570.91 × 3,780.90
  4. Step 4: Simplify right side
    9,048.73x = 51,310,253.62
  5. Step 5: Solve for x
    x = 51,310,253.62/9,048.73
  6. Step 6: Final answer
    x = 5,670.44

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1.5x scale

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.