Home / 3,356.25-4,631.56-1,864.13

Finding the Fourth Proportional to 3,356.25, 4,631.56 and 1,864.13

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Solution

The fourth proportional to 3,356.25, 4,631.56 and 1,864.13 is: 2,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.25 : 4,631.56 = 1,864.13 : x
  2. Step 2: Convert to fraction form
    3,356.25/4,631.56 = 1,864.13/x
  3. Step 3: Cross multiply
    3,356.25x = 4,631.56 × 1,864.13
  4. Step 4: Simplify right side
    3,356.25x = 8,633,802.12
  5. Step 5: Solve for x
    x = 8,633,802.12/3,356.25
  6. Step 6: Final answer
    x = 2,572.46

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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.