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Finding the Fourth Proportional to 3,860.80, 5,798.95 and 2,303.84

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Solution

The fourth proportional to 3,860.80, 5,798.95 and 2,303.84 is: 3,460.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.80 : 5,798.95 = 2,303.84 : x
  2. Step 2: Convert to fraction form
    3,860.80/5,798.95 = 2,303.84/x
  3. Step 3: Cross multiply
    3,860.80x = 5,798.95 × 2,303.84
  4. Step 4: Simplify right side
    3,860.80x = 13,359,852.97
  5. Step 5: Solve for x
    x = 13,359,852.97/3,860.80
  6. Step 6: Final answer
    x = 3,460.39

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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.