Home / 2,521.35-3,772.13-1,657.35

Finding the Fourth Proportional to 2,521.35, 3,772.13 and 1,657.35

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Solution

The fourth proportional to 2,521.35, 3,772.13 and 1,657.35 is: 2,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.35 : 3,772.13 = 1,657.35 : x
  2. Step 2: Convert to fraction form
    2,521.35/3,772.13 = 1,657.35/x
  3. Step 3: Cross multiply
    2,521.35x = 3,772.13 × 1,657.35
  4. Step 4: Simplify right side
    2,521.35x = 6,251,731.37
  5. Step 5: Solve for x
    x = 6,251,731.37/2,521.35
  6. Step 6: Final answer
    x = 2,479.52

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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.