Home / 3,038.08-4,192.23-1,711.76

Finding the Fourth Proportional to 3,038.08, 4,192.23 and 1,711.76

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Solution

The fourth proportional to 3,038.08, 4,192.23 and 1,711.76 is: 2,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.08 : 4,192.23 = 1,711.76 : x
  2. Step 2: Convert to fraction form
    3,038.08/4,192.23 = 1,711.76/x
  3. Step 3: Cross multiply
    3,038.08x = 4,192.23 × 1,711.76
  4. Step 4: Simplify right side
    3,038.08x = 7,176,091.62
  5. Step 5: Solve for x
    x = 7,176,091.62/3,038.08
  6. Step 6: Final answer
    x = 2,362.05

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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.