Home / 5,476.40-7,558.22-3,118.76

Finding the Fourth Proportional to 5,476.40, 7,558.22 and 3,118.76

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Solution

The fourth proportional to 5,476.40, 7,558.22 and 3,118.76 is: 4,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.40 : 7,558.22 = 3,118.76 : x
  2. Step 2: Convert to fraction form
    5,476.40/7,558.22 = 3,118.76/x
  3. Step 3: Cross multiply
    5,476.40x = 7,558.22 × 3,118.76
  4. Step 4: Simplify right side
    5,476.40x = 23,572,258.61
  5. Step 5: Solve for x
    x = 23,572,258.61/5,476.40
  6. Step 6: Final answer
    x = 4,304.33

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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.