Home / 4,117.34-5,682.58-2,705.12

Finding the Fourth Proportional to 4,117.34, 5,682.58 and 2,705.12

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Solution

The fourth proportional to 4,117.34, 5,682.58 and 2,705.12 is: 3,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.34 : 5,682.58 = 2,705.12 : x
  2. Step 2: Convert to fraction form
    4,117.34/5,682.58 = 2,705.12/x
  3. Step 3: Cross multiply
    4,117.34x = 5,682.58 × 2,705.12
  4. Step 4: Simplify right side
    4,117.34x = 15,372,060.81
  5. Step 5: Solve for x
    x = 15,372,060.81/4,117.34
  6. Step 6: Final answer
    x = 3,733.49

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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.