Home / 1,725.28-2,381.16-1,027.06

Finding the Fourth Proportional to 1,725.28, 2,381.16 and 1,027.06

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Solution

The fourth proportional to 1,725.28, 2,381.16 and 1,027.06 is: 1,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.28 : 2,381.16 = 1,027.06 : x
  2. Step 2: Convert to fraction form
    1,725.28/2,381.16 = 1,027.06/x
  3. Step 3: Cross multiply
    1,725.28x = 2,381.16 × 1,027.06
  4. Step 4: Simplify right side
    1,725.28x = 2,445,595.24
  5. Step 5: Solve for x
    x = 2,445,595.24/1,725.28
  6. Step 6: Final answer
    x = 1,417.51

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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.