Home / 3,356.41-4,631.76-1,864.29

Finding the Fourth Proportional to 3,356.41, 4,631.76 and 1,864.29

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Solution

The fourth proportional to 3,356.41, 4,631.76 and 1,864.29 is: 2,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.41 : 4,631.76 = 1,864.29 : x
  2. Step 2: Convert to fraction form
    3,356.41/4,631.76 = 1,864.29/x
  3. Step 3: Cross multiply
    3,356.41x = 4,631.76 × 1,864.29
  4. Step 4: Simplify right side
    3,356.41x = 8,634,942.95
  5. Step 5: Solve for x
    x = 8,634,942.95/3,356.41
  6. Step 6: Final answer
    x = 2,572.67

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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.