Home / 2,541.63-3,507.64-1,422.77

Finding the Fourth Proportional to 2,541.63, 3,507.64 and 1,422.77

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Solution

The fourth proportional to 2,541.63, 3,507.64 and 1,422.77 is: 1,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.63 : 3,507.64 = 1,422.77 : x
  2. Step 2: Convert to fraction form
    2,541.63/3,507.64 = 1,422.77/x
  3. Step 3: Cross multiply
    2,541.63x = 3,507.64 × 1,422.77
  4. Step 4: Simplify right side
    2,541.63x = 4,990,543.87
  5. Step 5: Solve for x
    x = 4,990,543.87/2,541.63
  6. Step 6: Final answer
    x = 1,963.52

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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.