Home / 3,356.10-4,631.12-1,864.04

Finding the Fourth Proportional to 3,356.10, 4,631.12 and 1,864.04

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Solution

The fourth proportional to 3,356.10, 4,631.12 and 1,864.04 is: 2,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.10 : 4,631.12 = 1,864.04 : x
  2. Step 2: Convert to fraction form
    3,356.10/4,631.12 = 1,864.04/x
  3. Step 3: Cross multiply
    3,356.10x = 4,631.12 × 1,864.04
  4. Step 4: Simplify right side
    3,356.10x = 8,632,592.92
  5. Step 5: Solve for x
    x = 8,632,592.92/3,356.10
  6. Step 6: Final answer
    x = 2,572.21

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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.