Home / 7,782.86-10,740.66-4,246.22

Finding the Fourth Proportional to 7,782.86, 10,740.66 and 4,246.22

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Solution

The fourth proportional to 7,782.86, 10,740.66 and 4,246.22 is: 5,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.86 : 10,740.66 = 4,246.22 : x
  2. Step 2: Convert to fraction form
    7,782.86/10,740.66 = 4,246.22/x
  3. Step 3: Cross multiply
    7,782.86x = 10,740.66 × 4,246.22
  4. Step 4: Simplify right side
    7,782.86x = 45,607,205.31
  5. Step 5: Solve for x
    x = 45,607,205.31/7,782.86
  6. Step 6: Final answer
    x = 5,859.95

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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.