Home / 7,282.87-10,050.30-4,139.06

Finding the Fourth Proportional to 7,282.87, 10,050.30 and 4,139.06

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Solution

The fourth proportional to 7,282.87, 10,050.30 and 4,139.06 is: 5,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.87 : 10,050.30 = 4,139.06 : x
  2. Step 2: Convert to fraction form
    7,282.87/10,050.30 = 4,139.06/x
  3. Step 3: Cross multiply
    7,282.87x = 10,050.30 × 4,139.06
  4. Step 4: Simplify right side
    7,282.87x = 41,598,744.47
  5. Step 5: Solve for x
    x = 41,598,744.47/7,282.87
  6. Step 6: Final answer
    x = 5,711.86

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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.