Home / 5,656.45-8,485.02-1,958.18

Finding the Fourth Proportional to 5,656.45, 8,485.02 and 1,958.18

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Solution

The fourth proportional to 5,656.45, 8,485.02 and 1,958.18 is: 2,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.45 : 8,485.02 = 1,958.18 : x
  2. Step 2: Convert to fraction form
    5,656.45/8,485.02 = 1,958.18/x
  3. Step 3: Cross multiply
    5,656.45x = 8,485.02 × 1,958.18
  4. Step 4: Simplify right side
    5,656.45x = 16,615,196.46
  5. Step 5: Solve for x
    x = 16,615,196.46/5,656.45
  6. Step 6: Final answer
    x = 2,937.39

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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.