Home / 4,985.08-6,879.87-2,995.58

Finding the Fourth Proportional to 4,985.08, 6,879.87 and 2,995.58

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Solution

The fourth proportional to 4,985.08, 6,879.87 and 2,995.58 is: 4,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.08 : 6,879.87 = 2,995.58 : x
  2. Step 2: Convert to fraction form
    4,985.08/6,879.87 = 2,995.58/x
  3. Step 3: Cross multiply
    4,985.08x = 6,879.87 × 2,995.58
  4. Step 4: Simplify right side
    4,985.08x = 20,609,218.17
  5. Step 5: Solve for x
    x = 20,609,218.17/4,985.08
  6. Step 6: Final answer
    x = 4,134.18

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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.