Home / 2,368.86-3,269.34-1,707.90

Finding the Fourth Proportional to 2,368.86, 3,269.34 and 1,707.90

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Solution

The fourth proportional to 2,368.86, 3,269.34 and 1,707.90 is: 2,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.86 : 3,269.34 = 1,707.90 : x
  2. Step 2: Convert to fraction form
    2,368.86/3,269.34 = 1,707.90/x
  3. Step 3: Cross multiply
    2,368.86x = 3,269.34 × 1,707.90
  4. Step 4: Simplify right side
    2,368.86x = 5,583,705.79
  5. Step 5: Solve for x
    x = 5,583,705.79/2,368.86
  6. Step 6: Final answer
    x = 2,357.13

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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.