Home / 1,841.07-2,761.61-917.77

Finding the Fourth Proportional to 1,841.07, 2,761.61 and 917.77

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Solution

The fourth proportional to 1,841.07, 2,761.61 and 917.77 is: 1,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.07 : 2,761.61 = 917.77 : x
  2. Step 2: Convert to fraction form
    1,841.07/2,761.61 = 917.77/x
  3. Step 3: Cross multiply
    1,841.07x = 2,761.61 × 917.77
  4. Step 4: Simplify right side
    1,841.07x = 2,534,522.81
  5. Step 5: Solve for x
    x = 2,534,522.81/1,841.07
  6. Step 6: Final answer
    x = 1,376.66

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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.