Home / 3,315.65-4,575.46-1,823.48

Finding the Fourth Proportional to 3,315.65, 4,575.46 and 1,823.48

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Solution

The fourth proportional to 3,315.65, 4,575.46 and 1,823.48 is: 2,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.65 : 4,575.46 = 1,823.48 : x
  2. Step 2: Convert to fraction form
    3,315.65/4,575.46 = 1,823.48/x
  3. Step 3: Cross multiply
    3,315.65x = 4,575.46 × 1,823.48
  4. Step 4: Simplify right side
    3,315.65x = 8,343,245.20
  5. Step 5: Solve for x
    x = 8,343,245.20/3,315.65
  6. Step 6: Final answer
    x = 2,516.32

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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.