Home / 4,970.87-6,859.45-2,732.69

Finding the Fourth Proportional to 4,970.87, 6,859.45 and 2,732.69

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Solution

The fourth proportional to 4,970.87, 6,859.45 and 2,732.69 is: 3,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.87 : 6,859.45 = 2,732.69 : x
  2. Step 2: Convert to fraction form
    4,970.87/6,859.45 = 2,732.69/x
  3. Step 3: Cross multiply
    4,970.87x = 6,859.45 × 2,732.69
  4. Step 4: Simplify right side
    4,970.87x = 18,744,750.42
  5. Step 5: Solve for x
    x = 18,744,750.42/4,970.87
  6. Step 6: Final answer
    x = 3,770.92

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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.