Home / 4,969.36-6,854.88-3,080.08

Finding the Fourth Proportional to 4,969.36, 6,854.88 and 3,080.08

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Solution

The fourth proportional to 4,969.36, 6,854.88 and 3,080.08 is: 4,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.36 : 6,854.88 = 3,080.08 : x
  2. Step 2: Convert to fraction form
    4,969.36/6,854.88 = 3,080.08/x
  3. Step 3: Cross multiply
    4,969.36x = 6,854.88 × 3,080.08
  4. Step 4: Simplify right side
    4,969.36x = 21,113,578.79
  5. Step 5: Solve for x
    x = 21,113,578.79/4,969.36
  6. Step 6: Final answer
    x = 4,248.75

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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.