Home / 2,473.28-3,414.48-1,688.48

Finding the Fourth Proportional to 2,473.28, 3,414.48 and 1,688.48

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Solution

The fourth proportional to 2,473.28, 3,414.48 and 1,688.48 is: 2,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.28 : 3,414.48 = 1,688.48 : x
  2. Step 2: Convert to fraction form
    2,473.28/3,414.48 = 1,688.48/x
  3. Step 3: Cross multiply
    2,473.28x = 3,414.48 × 1,688.48
  4. Step 4: Simplify right side
    2,473.28x = 5,765,281.19
  5. Step 5: Solve for x
    x = 5,765,281.19/2,473.28
  6. Step 6: Final answer
    x = 2,331.03

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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.