Home / 2,416.18-3,616.98-2,185.18

Finding the Fourth Proportional to 2,416.18, 3,616.98 and 2,185.18

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Solution

The fourth proportional to 2,416.18, 3,616.98 and 2,185.18 is: 3,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.18 : 3,616.98 = 2,185.18 : x
  2. Step 2: Convert to fraction form
    2,416.18/3,616.98 = 2,185.18/x
  3. Step 3: Cross multiply
    2,416.18x = 3,616.98 × 2,185.18
  4. Step 4: Simplify right side
    2,416.18x = 7,903,735.12
  5. Step 5: Solve for x
    x = 7,903,735.12/2,416.18
  6. Step 6: Final answer
    x = 3,271.17

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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.