Home / 5,899.08-8,140.42-3,245.99

Finding the Fourth Proportional to 5,899.08, 8,140.42 and 3,245.99

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Solution

The fourth proportional to 5,899.08, 8,140.42 and 3,245.99 is: 4,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.08 : 8,140.42 = 3,245.99 : x
  2. Step 2: Convert to fraction form
    5,899.08/8,140.42 = 3,245.99/x
  3. Step 3: Cross multiply
    5,899.08x = 8,140.42 × 3,245.99
  4. Step 4: Simplify right side
    5,899.08x = 26,423,673.10
  5. Step 5: Solve for x
    x = 26,423,673.10/5,899.08
  6. Step 6: Final answer
    x = 4,479.29

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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.