Home / 4,116.69-5,681.75-3,125.25

Finding the Fourth Proportional to 4,116.69, 5,681.75 and 3,125.25

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Solution

The fourth proportional to 4,116.69, 5,681.75 and 3,125.25 is: 4,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.69 : 5,681.75 = 3,125.25 : x
  2. Step 2: Convert to fraction form
    4,116.69/5,681.75 = 3,125.25/x
  3. Step 3: Cross multiply
    4,116.69x = 5,681.75 × 3,125.25
  4. Step 4: Simplify right side
    4,116.69x = 17,756,873.56
  5. Step 5: Solve for x
    x = 17,756,873.56/4,116.69
  6. Step 6: Final answer
    x = 4,313.39

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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.