Home / 3,351.20-4,624.48-1,859

Finding the Fourth Proportional to 3,351.20, 4,624.48 and 1,859

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Solution

The fourth proportional to 3,351.20, 4,624.48 and 1,859 is: 2,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.20 : 4,624.48 = 1,859 : x
  2. Step 2: Convert to fraction form
    3,351.20/4,624.48 = 1,859/x
  3. Step 3: Cross multiply
    3,351.20x = 4,624.48 × 1,859
  4. Step 4: Simplify right side
    3,351.20x = 8,596,908.32
  5. Step 5: Solve for x
    x = 8,596,908.32/3,351.20
  6. Step 6: Final answer
    x = 2,565.32

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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.