Home / 3,356.26-4,631.58-1,864.12

Finding the Fourth Proportional to 3,356.26, 4,631.58 and 1,864.12

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Solution

The fourth proportional to 3,356.26, 4,631.58 and 1,864.12 is: 2,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.26 : 4,631.58 = 1,864.12 : x
  2. Step 2: Convert to fraction form
    3,356.26/4,631.58 = 1,864.12/x
  3. Step 3: Cross multiply
    3,356.26x = 4,631.58 × 1,864.12
  4. Step 4: Simplify right side
    3,356.26x = 8,633,820.91
  5. Step 5: Solve for x
    x = 8,633,820.91/3,356.26
  6. Step 6: Final answer
    x = 2,572.45

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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.