Home / 5,384.12-8,074.13-2,460.38

Finding the Fourth Proportional to 5,384.12, 8,074.13 and 2,460.38

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Solution

The fourth proportional to 5,384.12, 8,074.13 and 2,460.38 is: 3,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.12 : 8,074.13 = 2,460.38 : x
  2. Step 2: Convert to fraction form
    5,384.12/8,074.13 = 2,460.38/x
  3. Step 3: Cross multiply
    5,384.12x = 8,074.13 × 2,460.38
  4. Step 4: Simplify right side
    5,384.12x = 19,865,389.14
  5. Step 5: Solve for x
    x = 19,865,389.14/5,384.12
  6. Step 6: Final answer
    x = 3,689.63

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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.