Home / 4,186.95-5,777.92-2,418.51

Finding the Fourth Proportional to 4,186.95, 5,777.92 and 2,418.51

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Solution

The fourth proportional to 4,186.95, 5,777.92 and 2,418.51 is: 3,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.95 : 5,777.92 = 2,418.51 : x
  2. Step 2: Convert to fraction form
    4,186.95/5,777.92 = 2,418.51/x
  3. Step 3: Cross multiply
    4,186.95x = 5,777.92 × 2,418.51
  4. Step 4: Simplify right side
    4,186.95x = 13,973,957.30
  5. Step 5: Solve for x
    x = 13,973,957.30/4,186.95
  6. Step 6: Final answer
    x = 3,337.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.