Home / 3,507.10-4,839.75-1,935.19

Finding the Fourth Proportional to 3,507.10, 4,839.75 and 1,935.19

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Solution

The fourth proportional to 3,507.10, 4,839.75 and 1,935.19 is: 2,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.10 : 4,839.75 = 1,935.19 : x
  2. Step 2: Convert to fraction form
    3,507.10/4,839.75 = 1,935.19/x
  3. Step 3: Cross multiply
    3,507.10x = 4,839.75 × 1,935.19
  4. Step 4: Simplify right side
    3,507.10x = 9,365,841.85
  5. Step 5: Solve for x
    x = 9,365,841.85/3,507.10
  6. Step 6: Final answer
    x = 2,670.54

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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.