Home / 7,282.76-10,050.21-4,139.55

Finding the Fourth Proportional to 7,282.76, 10,050.21 and 4,139.55

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Solution

The fourth proportional to 7,282.76, 10,050.21 and 4,139.55 is: 5,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.76 : 10,050.21 = 4,139.55 : x
  2. Step 2: Convert to fraction form
    7,282.76/10,050.21 = 4,139.55/x
  3. Step 3: Cross multiply
    7,282.76x = 10,050.21 × 4,139.55
  4. Step 4: Simplify right side
    7,282.76x = 41,603,346.81
  5. Step 5: Solve for x
    x = 41,603,346.81/7,282.76
  6. Step 6: Final answer
    x = 5,712.58

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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.