Home / 4,891.59-6,755.40-4,578.12

Finding the Fourth Proportional to 4,891.59, 6,755.40 and 4,578.12

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Solution

The fourth proportional to 4,891.59, 6,755.40 and 4,578.12 is: 6,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.59 : 6,755.40 = 4,578.12 : x
  2. Step 2: Convert to fraction form
    4,891.59/6,755.40 = 4,578.12/x
  3. Step 3: Cross multiply
    4,891.59x = 6,755.40 × 4,578.12
  4. Step 4: Simplify right side
    4,891.59x = 30,927,031.85
  5. Step 5: Solve for x
    x = 30,927,031.85/4,891.59
  6. Step 6: Final answer
    x = 6,322.49

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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.