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Finding the Fourth Proportional to 3,041.88, 4,561.32 and 1,580.64

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Solution

The fourth proportional to 3,041.88, 4,561.32 and 1,580.64 is: 2,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,041.88 : 4,561.32 = 1,580.64 : x
  2. Step 2: Convert to fraction form
    3,041.88/4,561.32 = 1,580.64/x
  3. Step 3: Cross multiply
    3,041.88x = 4,561.32 × 1,580.64
  4. Step 4: Simplify right side
    3,041.88x = 7,209,804.84
  5. Step 5: Solve for x
    x = 7,209,804.84/3,041.88
  6. Step 6: Final answer
    x = 2,370.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.