Home / 2,155.04-3,233.32-1,332.36

Finding the Fourth Proportional to 2,155.04, 3,233.32 and 1,332.36

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Solution

The fourth proportional to 2,155.04, 3,233.32 and 1,332.36 is: 1,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.04 : 3,233.32 = 1,332.36 : x
  2. Step 2: Convert to fraction form
    2,155.04/3,233.32 = 1,332.36/x
  3. Step 3: Cross multiply
    2,155.04x = 3,233.32 × 1,332.36
  4. Step 4: Simplify right side
    2,155.04x = 4,307,946.24
  5. Step 5: Solve for x
    x = 4,307,946.24/2,155.04
  6. Step 6: Final answer
    x = 1,999.01

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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.