Home / 3,038.07-4,192.56-1,711.65

Finding the Fourth Proportional to 3,038.07, 4,192.56 and 1,711.65

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Solution

The fourth proportional to 3,038.07, 4,192.56 and 1,711.65 is: 2,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.07 : 4,192.56 = 1,711.65 : x
  2. Step 2: Convert to fraction form
    3,038.07/4,192.56 = 1,711.65/x
  3. Step 3: Cross multiply
    3,038.07x = 4,192.56 × 1,711.65
  4. Step 4: Simplify right side
    3,038.07x = 7,176,195.32
  5. Step 5: Solve for x
    x = 7,176,195.32/3,038.07
  6. Step 6: Final answer
    x = 2,362.09

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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.