Home / 3,107.38-4,288.25-1,710.13

Finding the Fourth Proportional to 3,107.38, 4,288.25 and 1,710.13

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Solution

The fourth proportional to 3,107.38, 4,288.25 and 1,710.13 is: 2,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.38 : 4,288.25 = 1,710.13 : x
  2. Step 2: Convert to fraction form
    3,107.38/4,288.25 = 1,710.13/x
  3. Step 3: Cross multiply
    3,107.38x = 4,288.25 × 1,710.13
  4. Step 4: Simplify right side
    3,107.38x = 7,333,434.98
  5. Step 5: Solve for x
    x = 7,333,434.98/3,107.38
  6. Step 6: Final answer
    x = 2,360.01

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Half scale
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Double scale
Find fourth proportional to 3,108.38, 4,289.63 and 1,711.13
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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.