Home / 3,340.23-4,607.04-2,160.06

Finding the Fourth Proportional to 3,340.23, 4,607.04 and 2,160.06

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Solution

The fourth proportional to 3,340.23, 4,607.04 and 2,160.06 is: 2,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.23 : 4,607.04 = 2,160.06 : x
  2. Step 2: Convert to fraction form
    3,340.23/4,607.04 = 2,160.06/x
  3. Step 3: Cross multiply
    3,340.23x = 4,607.04 × 2,160.06
  4. Step 4: Simplify right side
    3,340.23x = 9,951,482.82
  5. Step 5: Solve for x
    x = 9,951,482.82/3,340.23
  6. Step 6: Final answer
    x = 2,979.28

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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.