Home / 5,557.60-8,336.40-1,453.60

Finding the Fourth Proportional to 5,557.60, 8,336.40 and 1,453.60

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Solution

The fourth proportional to 5,557.60, 8,336.40 and 1,453.60 is: 2,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.60 : 8,336.40 = 1,453.60 : x
  2. Step 2: Convert to fraction form
    5,557.60/8,336.40 = 1,453.60/x
  3. Step 3: Cross multiply
    5,557.60x = 8,336.40 × 1,453.60
  4. Step 4: Simplify right side
    5,557.60x = 12,117,791.04
  5. Step 5: Solve for x
    x = 12,117,791.04/5,557.60
  6. Step 6: Final answer
    x = 2,180.40

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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.