Home / 1,164.15-1,746.81-433.89

Finding the Fourth Proportional to 1,164.15, 1,746.81 and 433.89

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Solution

The fourth proportional to 1,164.15, 1,746.81 and 433.89 is: 651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.15 : 1,746.81 = 433.89 : x
  2. Step 2: Convert to fraction form
    1,164.15/1,746.81 = 433.89/x
  3. Step 3: Cross multiply
    1,164.15x = 1,746.81 × 433.89
  4. Step 4: Simplify right side
    1,164.15x = 757,923.39
  5. Step 5: Solve for x
    x = 757,923.39/1,164.15
  6. Step 6: Final answer
    x = 651.05

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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.