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Finding the Fourth Proportional to 3,051.54, 4,577.27 and 971.55

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Solution

The fourth proportional to 3,051.54, 4,577.27 and 971.55 is: 1,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.54 : 4,577.27 = 971.55 : x
  2. Step 2: Convert to fraction form
    3,051.54/4,577.27 = 971.55/x
  3. Step 3: Cross multiply
    3,051.54x = 4,577.27 × 971.55
  4. Step 4: Simplify right side
    3,051.54x = 4,447,041.81
  5. Step 5: Solve for x
    x = 4,447,041.81/3,051.54
  6. Step 6: Final answer
    x = 1,457.31

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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.