Home / 2,905.31-4,005.59-2,373.64

Finding the Fourth Proportional to 2,905.31, 4,005.59 and 2,373.64

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Solution

The fourth proportional to 2,905.31, 4,005.59 and 2,373.64 is: 3,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.31 : 4,005.59 = 2,373.64 : x
  2. Step 2: Convert to fraction form
    2,905.31/4,005.59 = 2,373.64/x
  3. Step 3: Cross multiply
    2,905.31x = 4,005.59 × 2,373.64
  4. Step 4: Simplify right side
    2,905.31x = 9,507,806.77
  5. Step 5: Solve for x
    x = 9,507,806.77/2,905.31
  6. Step 6: Final answer
    x = 3,272.56

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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.