Home / 6,126.84-8,453.57-3,608.76

Finding the Fourth Proportional to 6,126.84, 8,453.57 and 3,608.76

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Solution

The fourth proportional to 6,126.84, 8,453.57 and 3,608.76 is: 4,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.84 : 8,453.57 = 3,608.76 : x
  2. Step 2: Convert to fraction form
    6,126.84/8,453.57 = 3,608.76/x
  3. Step 3: Cross multiply
    6,126.84x = 8,453.57 × 3,608.76
  4. Step 4: Simplify right side
    6,126.84x = 30,506,858.49
  5. Step 5: Solve for x
    x = 30,506,858.49/6,126.84
  6. Step 6: Final answer
    x = 4,979.21

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Half scale
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Double scale
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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.