Home / 5,411.81-7,467.03-3,287.30

Finding the Fourth Proportional to 5,411.81, 7,467.03 and 3,287.30

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Solution

The fourth proportional to 5,411.81, 7,467.03 and 3,287.30 is: 4,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.81 : 7,467.03 = 3,287.30 : x
  2. Step 2: Convert to fraction form
    5,411.81/7,467.03 = 3,287.30/x
  3. Step 3: Cross multiply
    5,411.81x = 7,467.03 × 3,287.30
  4. Step 4: Simplify right side
    5,411.81x = 24,546,330.38
  5. Step 5: Solve for x
    x = 24,546,330.38/5,411.81
  6. Step 6: Final answer
    x = 4,535.69

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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.