Home / 5,448.48-7,519.02-3,090.70

Finding the Fourth Proportional to 5,448.48, 7,519.02 and 3,090.70

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Solution

The fourth proportional to 5,448.48, 7,519.02 and 3,090.70 is: 4,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.48 : 7,519.02 = 3,090.70 : x
  2. Step 2: Convert to fraction form
    5,448.48/7,519.02 = 3,090.70/x
  3. Step 3: Cross multiply
    5,448.48x = 7,519.02 × 3,090.70
  4. Step 4: Simplify right side
    5,448.48x = 23,239,035.11
  5. Step 5: Solve for x
    x = 23,239,035.11/5,448.48
  6. Step 6: Final answer
    x = 4,265.23

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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.