Home / 1,740.81-2,402.77-1,077.27

Finding the Fourth Proportional to 1,740.81, 2,402.77 and 1,077.27

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Solution

The fourth proportional to 1,740.81, 2,402.77 and 1,077.27 is: 1,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.81 : 2,402.77 = 1,077.27 : x
  2. Step 2: Convert to fraction form
    1,740.81/2,402.77 = 1,077.27/x
  3. Step 3: Cross multiply
    1,740.81x = 2,402.77 × 1,077.27
  4. Step 4: Simplify right side
    1,740.81x = 2,588,429.34
  5. Step 5: Solve for x
    x = 2,588,429.34/1,740.81
  6. Step 6: Final answer
    x = 1,486.91

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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.