Home / 3,356.22-4,631.28-1,864.10

Finding the Fourth Proportional to 3,356.22, 4,631.28 and 1,864.10

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Solution

The fourth proportional to 3,356.22, 4,631.28 and 1,864.10 is: 2,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.22 : 4,631.28 = 1,864.10 : x
  2. Step 2: Convert to fraction form
    3,356.22/4,631.28 = 1,864.10/x
  3. Step 3: Cross multiply
    3,356.22x = 4,631.28 × 1,864.10
  4. Step 4: Simplify right side
    3,356.22x = 8,633,169.05
  5. Step 5: Solve for x
    x = 8,633,169.05/3,356.22
  6. Step 6: Final answer
    x = 2,572.29

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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.