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Finding the Fourth Proportional to 4,341.56, 5,991.24 and 2,478.56

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Solution

The fourth proportional to 4,341.56, 5,991.24 and 2,478.56 is: 3,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.56 : 5,991.24 = 2,478.56 : x
  2. Step 2: Convert to fraction form
    4,341.56/5,991.24 = 2,478.56/x
  3. Step 3: Cross multiply
    4,341.56x = 5,991.24 × 2,478.56
  4. Step 4: Simplify right side
    4,341.56x = 14,849,647.81
  5. Step 5: Solve for x
    x = 14,849,647.81/4,341.56
  6. Step 6: Final answer
    x = 3,420.35

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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.