Home / 2,685.29-3,707.67-2,368.17

Finding the Fourth Proportional to 2,685.29, 3,707.67 and 2,368.17

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Solution

The fourth proportional to 2,685.29, 3,707.67 and 2,368.17 is: 3,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.29 : 3,707.67 = 2,368.17 : x
  2. Step 2: Convert to fraction form
    2,685.29/3,707.67 = 2,368.17/x
  3. Step 3: Cross multiply
    2,685.29x = 3,707.67 × 2,368.17
  4. Step 4: Simplify right side
    2,685.29x = 8,780,401.74
  5. Step 5: Solve for x
    x = 8,780,401.74/2,685.29
  6. Step 6: Final answer
    x = 3,269.82

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1.5x scale

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.