Home / 5,664.48-7,816.73-3,146.76

Finding the Fourth Proportional to 5,664.48, 7,816.73 and 3,146.76

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Solution

The fourth proportional to 5,664.48, 7,816.73 and 3,146.76 is: 4,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.48 : 7,816.73 = 3,146.76 : x
  2. Step 2: Convert to fraction form
    5,664.48/7,816.73 = 3,146.76/x
  3. Step 3: Cross multiply
    5,664.48x = 7,816.73 × 3,146.76
  4. Step 4: Simplify right side
    5,664.48x = 24,597,373.29
  5. Step 5: Solve for x
    x = 24,597,373.29/5,664.48
  6. Step 6: Final answer
    x = 4,342.39

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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.