Home / 2,127.08-2,935.22-1,195.72

Finding the Fourth Proportional to 2,127.08, 2,935.22 and 1,195.72

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Solution

The fourth proportional to 2,127.08, 2,935.22 and 1,195.72 is: 1,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.08 : 2,935.22 = 1,195.72 : x
  2. Step 2: Convert to fraction form
    2,127.08/2,935.22 = 1,195.72/x
  3. Step 3: Cross multiply
    2,127.08x = 2,935.22 × 1,195.72
  4. Step 4: Simplify right side
    2,127.08x = 3,509,701.26
  5. Step 5: Solve for x
    x = 3,509,701.26/2,127.08
  6. Step 6: Final answer
    x = 1,650.01

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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.