Home / 3,070.45-4,237.01-1,726.09

Finding the Fourth Proportional to 3,070.45, 4,237.01 and 1,726.09

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Solution

The fourth proportional to 3,070.45, 4,237.01 and 1,726.09 is: 2,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.45 : 4,237.01 = 1,726.09 : x
  2. Step 2: Convert to fraction form
    3,070.45/4,237.01 = 1,726.09/x
  3. Step 3: Cross multiply
    3,070.45x = 4,237.01 × 1,726.09
  4. Step 4: Simplify right side
    3,070.45x = 7,313,460.59
  5. Step 5: Solve for x
    x = 7,313,460.59/3,070.45
  6. Step 6: Final answer
    x = 2,381.89

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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.