Home / 5,206.48-7,187.28-3,320.60

Finding the Fourth Proportional to 5,206.48, 7,187.28 and 3,320.60

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Solution

The fourth proportional to 5,206.48, 7,187.28 and 3,320.60 is: 4,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.48 : 7,187.28 = 3,320.60 : x
  2. Step 2: Convert to fraction form
    5,206.48/7,187.28 = 3,320.60/x
  3. Step 3: Cross multiply
    5,206.48x = 7,187.28 × 3,320.60
  4. Step 4: Simplify right side
    5,206.48x = 23,866,081.97
  5. Step 5: Solve for x
    x = 23,866,081.97/5,206.48
  6. Step 6: Final answer
    x = 4,583.92

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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.