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Finding the Fourth Proportional to 4,373.40, 6,557.47 and 1,739.49

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Solution

The fourth proportional to 4,373.40, 6,557.47 and 1,739.49 is: 2,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,373.40 : 6,557.47 = 1,739.49 : x
  2. Step 2: Convert to fraction form
    4,373.40/6,557.47 = 1,739.49/x
  3. Step 3: Cross multiply
    4,373.40x = 6,557.47 × 1,739.49
  4. Step 4: Simplify right side
    4,373.40x = 11,406,653.49
  5. Step 5: Solve for x
    x = 11,406,653.49/4,373.40
  6. Step 6: Final answer
    x = 2,608.19

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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.