Home / 4,100.29-6,150.47-1,178.60

Finding the Fourth Proportional to 4,100.29, 6,150.47 and 1,178.60

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Solution

The fourth proportional to 4,100.29, 6,150.47 and 1,178.60 is: 1,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.29 : 6,150.47 = 1,178.60 : x
  2. Step 2: Convert to fraction form
    4,100.29/6,150.47 = 1,178.60/x
  3. Step 3: Cross multiply
    4,100.29x = 6,150.47 × 1,178.60
  4. Step 4: Simplify right side
    4,100.29x = 7,248,916.14
  5. Step 5: Solve for x
    x = 7,248,916.14/4,100.29
  6. Step 6: Final answer
    x = 1,767.90

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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.