Home / 4,186.80-5,777.04-2,417.76

Finding the Fourth Proportional to 4,186.80, 5,777.04 and 2,417.76

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Solution

The fourth proportional to 4,186.80, 5,777.04 and 2,417.76 is: 3,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.80 : 5,777.04 = 2,417.76 : x
  2. Step 2: Convert to fraction form
    4,186.80/5,777.04 = 2,417.76/x
  3. Step 3: Cross multiply
    4,186.80x = 5,777.04 × 2,417.76
  4. Step 4: Simplify right side
    4,186.80x = 13,967,496.23
  5. Step 5: Solve for x
    x = 13,967,496.23/4,186.80
  6. Step 6: Final answer
    x = 3,336.08

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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.