Home / 5,415.50-8,124.66-2,295.65

Finding the Fourth Proportional to 5,415.50, 8,124.66 and 2,295.65

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Solution

The fourth proportional to 5,415.50, 8,124.66 and 2,295.65 is: 3,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.50 : 8,124.66 = 2,295.65 : x
  2. Step 2: Convert to fraction form
    5,415.50/8,124.66 = 2,295.65/x
  3. Step 3: Cross multiply
    5,415.50x = 8,124.66 × 2,295.65
  4. Step 4: Simplify right side
    5,415.50x = 18,651,335.11
  5. Step 5: Solve for x
    x = 18,651,335.11/5,415.50
  6. Step 6: Final answer
    x = 3,444.07

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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.