Home / 5,237.89-7,218.14-4,342.93

Finding the Fourth Proportional to 5,237.89, 7,218.14 and 4,342.93

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Solution

The fourth proportional to 5,237.89, 7,218.14 and 4,342.93 is: 5,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.89 : 7,218.14 = 4,342.93 : x
  2. Step 2: Convert to fraction form
    5,237.89/7,218.14 = 4,342.93/x
  3. Step 3: Cross multiply
    5,237.89x = 7,218.14 × 4,342.93
  4. Step 4: Simplify right side
    5,237.89x = 31,347,859.36
  5. Step 5: Solve for x
    x = 31,347,859.36/5,237.89
  6. Step 6: Final answer
    x = 5,984.83

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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.