Home / 4,415.76-6,624.24-2,078.16

Finding the Fourth Proportional to 4,415.76, 6,624.24 and 2,078.16

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Solution

The fourth proportional to 4,415.76, 6,624.24 and 2,078.16 is: 3,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.76 : 6,624.24 = 2,078.16 : x
  2. Step 2: Convert to fraction form
    4,415.76/6,624.24 = 2,078.16/x
  3. Step 3: Cross multiply
    4,415.76x = 6,624.24 × 2,078.16
  4. Step 4: Simplify right side
    4,415.76x = 13,766,230.60
  5. Step 5: Solve for x
    x = 13,766,230.60/4,415.76
  6. Step 6: Final answer
    x = 3,117.52

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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.