Home / 2,920.69-4,030.45-1,741.15

Finding the Fourth Proportional to 2,920.69, 4,030.45 and 1,741.15

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Solution

The fourth proportional to 2,920.69, 4,030.45 and 1,741.15 is: 2,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.69 : 4,030.45 = 1,741.15 : x
  2. Step 2: Convert to fraction form
    2,920.69/4,030.45 = 1,741.15/x
  3. Step 3: Cross multiply
    2,920.69x = 4,030.45 × 1,741.15
  4. Step 4: Simplify right side
    2,920.69x = 7,017,618.02
  5. Step 5: Solve for x
    x = 7,017,618.02/2,920.69
  6. Step 6: Final answer
    x = 2,402.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.