Home / 4,187.48-5,778.84-2,508.32

Finding the Fourth Proportional to 4,187.48, 5,778.84 and 2,508.32

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Solution

The fourth proportional to 4,187.48, 5,778.84 and 2,508.32 is: 3,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.48 : 5,778.84 = 2,508.32 : x
  2. Step 2: Convert to fraction form
    4,187.48/5,778.84 = 2,508.32/x
  3. Step 3: Cross multiply
    4,187.48x = 5,778.84 × 2,508.32
  4. Step 4: Simplify right side
    4,187.48x = 14,495,179.95
  5. Step 5: Solve for x
    x = 14,495,179.95/4,187.48
  6. Step 6: Final answer
    x = 3,461.55

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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.