Home / 3,491.52-5,232.16-3,386.40

Finding the Fourth Proportional to 3,491.52, 5,232.16 and 3,386.40

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Solution

The fourth proportional to 3,491.52, 5,232.16 and 3,386.40 is: 5,074.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.52 : 5,232.16 = 3,386.40 : x
  2. Step 2: Convert to fraction form
    3,491.52/5,232.16 = 3,386.40/x
  3. Step 3: Cross multiply
    3,491.52x = 5,232.16 × 3,386.40
  4. Step 4: Simplify right side
    3,491.52x = 17,718,186.62
  5. Step 5: Solve for x
    x = 17,718,186.62/3,491.52
  6. Step 6: Final answer
    x = 5,074.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.