Home / 4,864.05-6,714.90-3,720.74

Finding the Fourth Proportional to 4,864.05, 6,714.90 and 3,720.74

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Solution

The fourth proportional to 4,864.05, 6,714.90 and 3,720.74 is: 5,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.05 : 6,714.90 = 3,720.74 : x
  2. Step 2: Convert to fraction form
    4,864.05/6,714.90 = 3,720.74/x
  3. Step 3: Cross multiply
    4,864.05x = 6,714.90 × 3,720.74
  4. Step 4: Simplify right side
    4,864.05x = 24,984,363.45
  5. Step 5: Solve for x
    x = 24,984,363.45/4,864.05
  6. Step 6: Final answer
    x = 5,136.54

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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.