Home / 5,164.04-7,126.23-2,806.18

Finding the Fourth Proportional to 5,164.04, 7,126.23 and 2,806.18

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Solution

The fourth proportional to 5,164.04, 7,126.23 and 2,806.18 is: 3,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.04 : 7,126.23 = 2,806.18 : x
  2. Step 2: Convert to fraction form
    5,164.04/7,126.23 = 2,806.18/x
  3. Step 3: Cross multiply
    5,164.04x = 7,126.23 × 2,806.18
  4. Step 4: Simplify right side
    5,164.04x = 19,997,461.02
  5. Step 5: Solve for x
    x = 19,997,461.02/5,164.04
  6. Step 6: Final answer
    x = 3,872.45

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.