Home / 7,820.22-10,790.70-4,463.16

Finding the Fourth Proportional to 7,820.22, 10,790.70 and 4,463.16

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Solution

The fourth proportional to 7,820.22, 10,790.70 and 4,463.16 is: 6,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.22 : 10,790.70 = 4,463.16 : x
  2. Step 2: Convert to fraction form
    7,820.22/10,790.70 = 4,463.16/x
  3. Step 3: Cross multiply
    7,820.22x = 10,790.70 × 4,463.16
  4. Step 4: Simplify right side
    7,820.22x = 48,160,620.61
  5. Step 5: Solve for x
    x = 48,160,620.61/7,820.22
  6. Step 6: Final answer
    x = 6,158.47

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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.