Home / 4,712.54-6,508.76-3,137.90

Finding the Fourth Proportional to 4,712.54, 6,508.76 and 3,137.90

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Solution

The fourth proportional to 4,712.54, 6,508.76 and 3,137.90 is: 4,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.54 : 6,508.76 = 3,137.90 : x
  2. Step 2: Convert to fraction form
    4,712.54/6,508.76 = 3,137.90/x
  3. Step 3: Cross multiply
    4,712.54x = 6,508.76 × 3,137.90
  4. Step 4: Simplify right side
    4,712.54x = 20,423,813.30
  5. Step 5: Solve for x
    x = 20,423,813.30/4,712.54
  6. Step 6: Final answer
    x = 4,333.93

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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.