Home / 5,456.07-8,184.12-1,758.57

Finding the Fourth Proportional to 5,456.07, 8,184.12 and 1,758.57

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Solution

The fourth proportional to 5,456.07, 8,184.12 and 1,758.57 is: 2,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.07 : 8,184.12 = 1,758.57 : x
  2. Step 2: Convert to fraction form
    5,456.07/8,184.12 = 1,758.57/x
  3. Step 3: Cross multiply
    5,456.07x = 8,184.12 × 1,758.57
  4. Step 4: Simplify right side
    5,456.07x = 14,392,347.91
  5. Step 5: Solve for x
    x = 14,392,347.91/5,456.07
  6. Step 6: Final answer
    x = 2,637.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.