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Finding the Fourth Proportional to 4,957.77, 7,437.60 and 1,670.93

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Solution

The fourth proportional to 4,957.77, 7,437.60 and 1,670.93 is: 2,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.77 : 7,437.60 = 1,670.93 : x
  2. Step 2: Convert to fraction form
    4,957.77/7,437.60 = 1,670.93/x
  3. Step 3: Cross multiply
    4,957.77x = 7,437.60 × 1,670.93
  4. Step 4: Simplify right side
    4,957.77x = 12,427,671.78
  5. Step 5: Solve for x
    x = 12,427,671.78/4,957.77
  6. Step 6: Final answer
    x = 2,506.71

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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.