Home / 6,851.28-9,454.80-3,707.46

Finding the Fourth Proportional to 6,851.28, 9,454.80 and 3,707.46

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Solution

The fourth proportional to 6,851.28, 9,454.80 and 3,707.46 is: 5,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.28 : 9,454.80 = 3,707.46 : x
  2. Step 2: Convert to fraction form
    6,851.28/9,454.80 = 3,707.46/x
  3. Step 3: Cross multiply
    6,851.28x = 9,454.80 × 3,707.46
  4. Step 4: Simplify right side
    6,851.28x = 35,053,292.81
  5. Step 5: Solve for x
    x = 35,053,292.81/6,851.28
  6. Step 6: Final answer
    x = 5,116.31

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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.