Home / 5,206.96-7,186.02-3,190.36

Finding the Fourth Proportional to 5,206.96, 7,186.02 and 3,190.36

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Solution

The fourth proportional to 5,206.96, 7,186.02 and 3,190.36 is: 4,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.96 : 7,186.02 = 3,190.36 : x
  2. Step 2: Convert to fraction form
    5,206.96/7,186.02 = 3,190.36/x
  3. Step 3: Cross multiply
    5,206.96x = 7,186.02 × 3,190.36
  4. Step 4: Simplify right side
    5,206.96x = 22,925,994.52
  5. Step 5: Solve for x
    x = 22,925,994.52/5,206.96
  6. Step 6: Final answer
    x = 4,402.95

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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.