Home / 5,443.45-8,164.36-1,745.18

Finding the Fourth Proportional to 5,443.45, 8,164.36 and 1,745.18

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Solution

The fourth proportional to 5,443.45, 8,164.36 and 1,745.18 is: 2,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.45 : 8,164.36 = 1,745.18 : x
  2. Step 2: Convert to fraction form
    5,443.45/8,164.36 = 1,745.18/x
  3. Step 3: Cross multiply
    5,443.45x = 8,164.36 × 1,745.18
  4. Step 4: Simplify right side
    5,443.45x = 14,248,232.60
  5. Step 5: Solve for x
    x = 14,248,232.60/5,443.45
  6. Step 6: Final answer
    x = 2,617.50

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Half scale
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Double scale
Find fourth proportional to 5,444.45, 8,165.86 and 1,746.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.