Home / 6,851.90-9,455.51-3,708.06

Finding the Fourth Proportional to 6,851.90, 9,455.51 and 3,708.06

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Solution

The fourth proportional to 6,851.90, 9,455.51 and 3,708.06 is: 5,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.90 : 9,455.51 = 3,708.06 : x
  2. Step 2: Convert to fraction form
    6,851.90/9,455.51 = 3,708.06/x
  3. Step 3: Cross multiply
    6,851.90x = 9,455.51 × 3,708.06
  4. Step 4: Simplify right side
    6,851.90x = 35,061,598.41
  5. Step 5: Solve for x
    x = 35,061,598.41/6,851.90
  6. Step 6: Final answer
    x = 5,117.06

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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.