Home / 5,535.80-8,345.15-5,169.16

Finding the Fourth Proportional to 5,535.80, 8,345.15 and 5,169.16

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Solution

The fourth proportional to 5,535.80, 8,345.15 and 5,169.16 is: 7,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.80 : 8,345.15 = 5,169.16 : x
  2. Step 2: Convert to fraction form
    5,535.80/8,345.15 = 5,169.16/x
  3. Step 3: Cross multiply
    5,535.80x = 8,345.15 × 5,169.16
  4. Step 4: Simplify right side
    5,535.80x = 43,137,415.57
  5. Step 5: Solve for x
    x = 43,137,415.57/5,535.80
  6. Step 6: Final answer
    x = 7,792.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.