Home / 2,905.11-4,009.07-1,710.16

Finding the Fourth Proportional to 2,905.11, 4,009.07 and 1,710.16

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Solution

The fourth proportional to 2,905.11, 4,009.07 and 1,710.16 is: 2,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.11 : 4,009.07 = 1,710.16 : x
  2. Step 2: Convert to fraction form
    2,905.11/4,009.07 = 1,710.16/x
  3. Step 3: Cross multiply
    2,905.11x = 4,009.07 × 1,710.16
  4. Step 4: Simplify right side
    2,905.11x = 6,856,132.58
  5. Step 5: Solve for x
    x = 6,856,132.58/2,905.11
  6. Step 6: Final answer
    x = 2,360.03

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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.