Home / 5,372.12-7,402.59-4,113.18

Finding the Fourth Proportional to 5,372.12, 7,402.59 and 4,113.18

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Solution

The fourth proportional to 5,372.12, 7,402.59 and 4,113.18 is: 5,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.12 : 7,402.59 = 4,113.18 : x
  2. Step 2: Convert to fraction form
    5,372.12/7,402.59 = 4,113.18/x
  3. Step 3: Cross multiply
    5,372.12x = 7,402.59 × 4,113.18
  4. Step 4: Simplify right side
    5,372.12x = 30,448,185.14
  5. Step 5: Solve for x
    x = 30,448,185.14/5,372.12
  6. Step 6: Final answer
    x = 5,667.81

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Half 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.