Home / 5,485.44-7,572.36-3,498.66

Finding the Fourth Proportional to 5,485.44, 7,572.36 and 3,498.66

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Solution

The fourth proportional to 5,485.44, 7,572.36 and 3,498.66 is: 4,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.44 : 7,572.36 = 3,498.66 : x
  2. Step 2: Convert to fraction form
    5,485.44/7,572.36 = 3,498.66/x
  3. Step 3: Cross multiply
    5,485.44x = 7,572.36 × 3,498.66
  4. Step 4: Simplify right side
    5,485.44x = 26,493,113.04
  5. Step 5: Solve for x
    x = 26,493,113.04/5,485.44
  6. Step 6: Final answer
    x = 4,829.72

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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.