Home / 4,011.29-5,535.37-2,218.69

Finding the Fourth Proportional to 4,011.29, 5,535.37 and 2,218.69

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Solution

The fourth proportional to 4,011.29, 5,535.37 and 2,218.69 is: 3,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.29 : 5,535.37 = 2,218.69 : x
  2. Step 2: Convert to fraction form
    4,011.29/5,535.37 = 2,218.69/x
  3. Step 3: Cross multiply
    4,011.29x = 5,535.37 × 2,218.69
  4. Step 4: Simplify right side
    4,011.29x = 12,281,270.07
  5. Step 5: Solve for x
    x = 12,281,270.07/4,011.29
  6. Step 6: Final answer
    x = 3,061.68

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Half scale
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Double scale
Find fourth proportional to 4,012.29, 5,536.75 and 2,219.69
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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.