Home / 3,518.02-5,277.75-1,178.26

Finding the Fourth Proportional to 3,518.02, 5,277.75 and 1,178.26

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Solution

The fourth proportional to 3,518.02, 5,277.75 and 1,178.26 is: 1,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.02 : 5,277.75 = 1,178.26 : x
  2. Step 2: Convert to fraction form
    3,518.02/5,277.75 = 1,178.26/x
  3. Step 3: Cross multiply
    3,518.02x = 5,277.75 × 1,178.26
  4. Step 4: Simplify right side
    3,518.02x = 6,218,561.72
  5. Step 5: Solve for x
    x = 6,218,561.72/3,518.02
  6. Step 6: Final answer
    x = 1,767.63

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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.