Home / 5,417.97-8,126.24-2,130.18

Finding the Fourth Proportional to 5,417.97, 8,126.24 and 2,130.18

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Solution

The fourth proportional to 5,417.97, 8,126.24 and 2,130.18 is: 3,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.97 : 8,126.24 = 2,130.18 : x
  2. Step 2: Convert to fraction form
    5,417.97/8,126.24 = 2,130.18/x
  3. Step 3: Cross multiply
    5,417.97x = 8,126.24 × 2,130.18
  4. Step 4: Simplify right side
    5,417.97x = 17,310,343.27
  5. Step 5: Solve for x
    x = 17,310,343.27/5,417.97
  6. Step 6: Final answer
    x = 3,194.99

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Double scale
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Similar ratio
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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.