Home / 6,075.20-8,383.40-3,422.52

Finding the Fourth Proportional to 6,075.20, 8,383.40 and 3,422.52

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Solution

The fourth proportional to 6,075.20, 8,383.40 and 3,422.52 is: 4,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.20 : 8,383.40 = 3,422.52 : x
  2. Step 2: Convert to fraction form
    6,075.20/8,383.40 = 3,422.52/x
  3. Step 3: Cross multiply
    6,075.20x = 8,383.40 × 3,422.52
  4. Step 4: Simplify right side
    6,075.20x = 28,692,354.17
  5. Step 5: Solve for x
    x = 28,692,354.17/6,075.20
  6. Step 6: Final answer
    x = 4,722.87

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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.