Home / 1,712.93-2,360.60-1,240.02

Finding the Fourth Proportional to 1,712.93, 2,360.60 and 1,240.02

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Solution

The fourth proportional to 1,712.93, 2,360.60 and 1,240.02 is: 1,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.93 : 2,360.60 = 1,240.02 : x
  2. Step 2: Convert to fraction form
    1,712.93/2,360.60 = 1,240.02/x
  3. Step 3: Cross multiply
    1,712.93x = 2,360.60 × 1,240.02
  4. Step 4: Simplify right side
    1,712.93x = 2,927,185.01
  5. Step 5: Solve for x
    x = 2,927,185.01/1,712.93
  6. Step 6: Final answer
    x = 1,708.88

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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.