Home / 1,720.06-2,373.96-1,012.03

Finding the Fourth Proportional to 1,720.06, 2,373.96 and 1,012.03

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Solution

The fourth proportional to 1,720.06, 2,373.96 and 1,012.03 is: 1,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.06 : 2,373.96 = 1,012.03 : x
  2. Step 2: Convert to fraction form
    1,720.06/2,373.96 = 1,012.03/x
  3. Step 3: Cross multiply
    1,720.06x = 2,373.96 × 1,012.03
  4. Step 4: Simplify right side
    1,720.06x = 2,402,518.74
  5. Step 5: Solve for x
    x = 2,402,518.74/1,720.06
  6. Step 6: Final answer
    x = 1,396.76

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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.