Home / 3,215.36-4,435.20-2,332.16

Finding the Fourth Proportional to 3,215.36, 4,435.20 and 2,332.16

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Solution

The fourth proportional to 3,215.36, 4,435.20 and 2,332.16 is: 3,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.36 : 4,435.20 = 2,332.16 : x
  2. Step 2: Convert to fraction form
    3,215.36/4,435.20 = 2,332.16/x
  3. Step 3: Cross multiply
    3,215.36x = 4,435.20 × 2,332.16
  4. Step 4: Simplify right side
    3,215.36x = 10,343,596.03
  5. Step 5: Solve for x
    x = 10,343,596.03/3,215.36
  6. Step 6: Final answer
    x = 3,216.93

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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.