Home / 5,303.38-7,321.08-3,315.22

Finding the Fourth Proportional to 5,303.38, 7,321.08 and 3,315.22

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Solution

The fourth proportional to 5,303.38, 7,321.08 and 3,315.22 is: 4,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.38 : 7,321.08 = 3,315.22 : x
  2. Step 2: Convert to fraction form
    5,303.38/7,321.08 = 3,315.22/x
  3. Step 3: Cross multiply
    5,303.38x = 7,321.08 × 3,315.22
  4. Step 4: Simplify right side
    5,303.38x = 24,270,990.84
  5. Step 5: Solve for x
    x = 24,270,990.84/5,303.38
  6. Step 6: Final answer
    x = 4,576.51

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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.