Home / 4,985.02-6,879.39-2,746.91

Finding the Fourth Proportional to 4,985.02, 6,879.39 and 2,746.91

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Solution

The fourth proportional to 4,985.02, 6,879.39 and 2,746.91 is: 3,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.02 : 6,879.39 = 2,746.91 : x
  2. Step 2: Convert to fraction form
    4,985.02/6,879.39 = 2,746.91/x
  3. Step 3: Cross multiply
    4,985.02x = 6,879.39 × 2,746.91
  4. Step 4: Simplify right side
    4,985.02x = 18,897,072.08
  5. Step 5: Solve for x
    x = 18,897,072.08/4,985.02
  6. Step 6: Final answer
    x = 3,790.77

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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.