Home / 2,473.11-3,412.44-1,478.34

Finding the Fourth Proportional to 2,473.11, 3,412.44 and 1,478.34

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Solution

The fourth proportional to 2,473.11, 3,412.44 and 1,478.34 is: 2,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.11 : 3,412.44 = 1,478.34 : x
  2. Step 2: Convert to fraction form
    2,473.11/3,412.44 = 1,478.34/x
  3. Step 3: Cross multiply
    2,473.11x = 3,412.44 × 1,478.34
  4. Step 4: Simplify right side
    2,473.11x = 5,044,746.55
  5. Step 5: Solve for x
    x = 5,044,746.55/2,473.11
  6. Step 6: Final answer
    x = 2,039.84

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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.