Home / 4,064.49-5,612.13-3,118.77

Finding the Fourth Proportional to 4,064.49, 5,612.13 and 3,118.77

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Solution

The fourth proportional to 4,064.49, 5,612.13 and 3,118.77 is: 4,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,064.49 : 5,612.13 = 3,118.77 : x
  2. Step 2: Convert to fraction form
    4,064.49/5,612.13 = 3,118.77/x
  3. Step 3: Cross multiply
    4,064.49x = 5,612.13 × 3,118.77
  4. Step 4: Simplify right side
    4,064.49x = 17,502,942.68
  5. Step 5: Solve for x
    x = 17,502,942.68/4,064.49
  6. Step 6: Final answer
    x = 4,306.31

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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.