Home / 4,077.84-5,626.98-2,309.16

Finding the Fourth Proportional to 4,077.84, 5,626.98 and 2,309.16

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Solution

The fourth proportional to 4,077.84, 5,626.98 and 2,309.16 is: 3,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.84 : 5,626.98 = 2,309.16 : x
  2. Step 2: Convert to fraction form
    4,077.84/5,626.98 = 2,309.16/x
  3. Step 3: Cross multiply
    4,077.84x = 5,626.98 × 2,309.16
  4. Step 4: Simplify right side
    4,077.84x = 12,993,597.14
  5. Step 5: Solve for x
    x = 12,993,597.14/4,077.84
  6. Step 6: Final answer
    x = 3,186.39

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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.