Home / 6,761.07-10,140.84-1,831.19

Finding the Fourth Proportional to 6,761.07, 10,140.84 and 1,831.19

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Solution

The fourth proportional to 6,761.07, 10,140.84 and 1,831.19 is: 2,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.07 : 10,140.84 = 1,831.19 : x
  2. Step 2: Convert to fraction form
    6,761.07/10,140.84 = 1,831.19/x
  3. Step 3: Cross multiply
    6,761.07x = 10,140.84 × 1,831.19
  4. Step 4: Simplify right side
    6,761.07x = 18,569,754.10
  5. Step 5: Solve for x
    x = 18,569,754.10/6,761.07
  6. Step 6: Final answer
    x = 2,746.57

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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.