Home / 1,162.63-1,740.28-1,095.19

Finding the Fourth Proportional to 1,162.63, 1,740.28 and 1,095.19

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Solution

The fourth proportional to 1,162.63, 1,740.28 and 1,095.19 is: 1,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.63 : 1,740.28 = 1,095.19 : x
  2. Step 2: Convert to fraction form
    1,162.63/1,740.28 = 1,095.19/x
  3. Step 3: Cross multiply
    1,162.63x = 1,740.28 × 1,095.19
  4. Step 4: Simplify right side
    1,162.63x = 1,905,937.25
  5. Step 5: Solve for x
    x = 1,905,937.25/1,162.63
  6. Step 6: Final answer
    x = 1,639.33

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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.