Home / 4,691.10-6,471.54-3,116.46

Finding the Fourth Proportional to 4,691.10, 6,471.54 and 3,116.46

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Solution

The fourth proportional to 4,691.10, 6,471.54 and 3,116.46 is: 4,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.10 : 6,471.54 = 3,116.46 : x
  2. Step 2: Convert to fraction form
    4,691.10/6,471.54 = 3,116.46/x
  3. Step 3: Cross multiply
    4,691.10x = 6,471.54 × 3,116.46
  4. Step 4: Simplify right side
    4,691.10x = 20,168,295.55
  5. Step 5: Solve for x
    x = 20,168,295.55/4,691.10
  6. Step 6: Final answer
    x = 4,299.27

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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.