Home / 4,296.58-6,433.84-2,978.45

Finding the Fourth Proportional to 4,296.58, 6,433.84 and 2,978.45

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Solution

The fourth proportional to 4,296.58, 6,433.84 and 2,978.45 is: 4,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,296.58 : 6,433.84 = 2,978.45 : x
  2. Step 2: Convert to fraction form
    4,296.58/6,433.84 = 2,978.45/x
  3. Step 3: Cross multiply
    4,296.58x = 6,433.84 × 2,978.45
  4. Step 4: Simplify right side
    4,296.58x = 19,162,870.75
  5. Step 5: Solve for x
    x = 19,162,870.75/4,296.58
  6. Step 6: Final answer
    x = 4,460.03

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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.