Home / 3,407.60-5,110.47-941.76

Finding the Fourth Proportional to 3,407.60, 5,110.47 and 941.76

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Solution

The fourth proportional to 3,407.60, 5,110.47 and 941.76 is: 1,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.60 : 5,110.47 = 941.76 : x
  2. Step 2: Convert to fraction form
    3,407.60/5,110.47 = 941.76/x
  3. Step 3: Cross multiply
    3,407.60x = 5,110.47 × 941.76
  4. Step 4: Simplify right side
    3,407.60x = 4,812,836.23
  5. Step 5: Solve for x
    x = 4,812,836.23/3,407.60
  6. Step 6: Final answer
    x = 1,412.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.