Home / 5,899.51-8,140.39-3,381.13

Finding the Fourth Proportional to 5,899.51, 8,140.39 and 3,381.13

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Solution

The fourth proportional to 5,899.51, 8,140.39 and 3,381.13 is: 4,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.51 : 8,140.39 = 3,381.13 : x
  2. Step 2: Convert to fraction form
    5,899.51/8,140.39 = 3,381.13/x
  3. Step 3: Cross multiply
    5,899.51x = 8,140.39 × 3,381.13
  4. Step 4: Simplify right side
    5,899.51x = 27,523,728.74
  5. Step 5: Solve for x
    x = 27,523,728.74/5,899.51
  6. Step 6: Final answer
    x = 4,665.43

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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.