Home / 4,966.40-6,851.66-3,077.32

Finding the Fourth Proportional to 4,966.40, 6,851.66 and 3,077.32

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Solution

The fourth proportional to 4,966.40, 6,851.66 and 3,077.32 is: 4,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.40 : 6,851.66 = 3,077.32 : x
  2. Step 2: Convert to fraction form
    4,966.40/6,851.66 = 3,077.32/x
  3. Step 3: Cross multiply
    4,966.40x = 6,851.66 × 3,077.32
  4. Step 4: Simplify right side
    4,966.40x = 21,084,750.35
  5. Step 5: Solve for x
    x = 21,084,750.35/4,966.40
  6. Step 6: Final answer
    x = 4,245.48

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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.