Home / 4,913.36-6,780.26-2,675.18

Finding the Fourth Proportional to 4,913.36, 6,780.26 and 2,675.18

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Solution

The fourth proportional to 4,913.36, 6,780.26 and 2,675.18 is: 3,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.36 : 6,780.26 = 2,675.18 : x
  2. Step 2: Convert to fraction form
    4,913.36/6,780.26 = 2,675.18/x
  3. Step 3: Cross multiply
    4,913.36x = 6,780.26 × 2,675.18
  4. Step 4: Simplify right side
    4,913.36x = 18,138,386.40
  5. Step 5: Solve for x
    x = 18,138,386.40/4,913.36
  6. Step 6: Final answer
    x = 3,691.65

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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.