Home / 2,160.01-2,979.87-1,373.63

Finding the Fourth Proportional to 2,160.01, 2,979.87 and 1,373.63

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Solution

The fourth proportional to 2,160.01, 2,979.87 and 1,373.63 is: 1,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.01 : 2,979.87 = 1,373.63 : x
  2. Step 2: Convert to fraction form
    2,160.01/2,979.87 = 1,373.63/x
  3. Step 3: Cross multiply
    2,160.01x = 2,979.87 × 1,373.63
  4. Step 4: Simplify right side
    2,160.01x = 4,093,238.83
  5. Step 5: Solve for x
    x = 4,093,238.83/2,160.01
  6. Step 6: Final answer
    x = 1,895.01

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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.