Home / 5,214.92-7,199.70-4,631.72

Finding the Fourth Proportional to 5,214.92, 7,199.70 and 4,631.72

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Solution

The fourth proportional to 5,214.92, 7,199.70 and 4,631.72 is: 6,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.92 : 7,199.70 = 4,631.72 : x
  2. Step 2: Convert to fraction form
    5,214.92/7,199.70 = 4,631.72/x
  3. Step 3: Cross multiply
    5,214.92x = 7,199.70 × 4,631.72
  4. Step 4: Simplify right side
    5,214.92x = 33,346,994.48
  5. Step 5: Solve for x
    x = 33,346,994.48/5,214.92
  6. Step 6: Final answer
    x = 6,394.54

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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.