Home / 4,118.47-5,672.08-3,558.76

Finding the Fourth Proportional to 4,118.47, 5,672.08 and 3,558.76

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Solution

The fourth proportional to 4,118.47, 5,672.08 and 3,558.76 is: 4,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.47 : 5,672.08 = 3,558.76 : x
  2. Step 2: Convert to fraction form
    4,118.47/5,672.08 = 3,558.76/x
  3. Step 3: Cross multiply
    4,118.47x = 5,672.08 × 3,558.76
  4. Step 4: Simplify right side
    4,118.47x = 20,185,571.42
  5. Step 5: Solve for x
    x = 20,185,571.42/4,118.47
  6. Step 6: Final answer
    x = 4,901.23

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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.