Home / 5,187.54-7,776.63-3,522.23

Finding the Fourth Proportional to 5,187.54, 7,776.63 and 3,522.23

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Solution

The fourth proportional to 5,187.54, 7,776.63 and 3,522.23 is: 5,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.54 : 7,776.63 = 3,522.23 : x
  2. Step 2: Convert to fraction form
    5,187.54/7,776.63 = 3,522.23/x
  3. Step 3: Cross multiply
    5,187.54x = 7,776.63 × 3,522.23
  4. Step 4: Simplify right side
    5,187.54x = 27,391,079.48
  5. Step 5: Solve for x
    x = 27,391,079.48/5,187.54
  6. Step 6: Final answer
    x = 5,280.17

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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.