Home / 3,341.12-4,612.48-3,120.26

Finding the Fourth Proportional to 3,341.12, 4,612.48 and 3,120.26

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Solution

The fourth proportional to 3,341.12, 4,612.48 and 3,120.26 is: 4,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.12 : 4,612.48 = 3,120.26 : x
  2. Step 2: Convert to fraction form
    3,341.12/4,612.48 = 3,120.26/x
  3. Step 3: Cross multiply
    3,341.12x = 4,612.48 × 3,120.26
  4. Step 4: Simplify right side
    3,341.12x = 14,392,105.98
  5. Step 5: Solve for x
    x = 14,392,105.98/3,341.12
  6. Step 6: Final answer
    x = 4,307.58

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Half scale
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Double scale
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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.