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Finding the Fourth Proportional to 3,166.58, 4,750.48 and 1,316.70

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Solution

The fourth proportional to 3,166.58, 4,750.48 and 1,316.70 is: 1,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.58 : 4,750.48 = 1,316.70 : x
  2. Step 2: Convert to fraction form
    3,166.58/4,750.48 = 1,316.70/x
  3. Step 3: Cross multiply
    3,166.58x = 4,750.48 × 1,316.70
  4. Step 4: Simplify right side
    3,166.58x = 6,254,957.02
  5. Step 5: Solve for x
    x = 6,254,957.02/3,166.58
  6. Step 6: Final answer
    x = 1,975.30

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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.