Home / 5,374.35-7,416.60-3,135.80

Finding the Fourth Proportional to 5,374.35, 7,416.60 and 3,135.80

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Solution

The fourth proportional to 5,374.35, 7,416.60 and 3,135.80 is: 4,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.35 : 7,416.60 = 3,135.80 : x
  2. Step 2: Convert to fraction form
    5,374.35/7,416.60 = 3,135.80/x
  3. Step 3: Cross multiply
    5,374.35x = 7,416.60 × 3,135.80
  4. Step 4: Simplify right side
    5,374.35x = 23,256,937.20
  5. Step 5: Solve for x
    x = 23,256,937.20/5,374.35
  6. Step 6: Final answer
    x = 4,327.40

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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.