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Finding the Fourth Proportional to 5,373.58, 7,419.50 and 4,739.34

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Solution

The fourth proportional to 5,373.58, 7,419.50 and 4,739.34 is: 6,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.58 : 7,419.50 = 4,739.34 : x
  2. Step 2: Convert to fraction form
    5,373.58/7,419.50 = 4,739.34/x
  3. Step 3: Cross multiply
    5,373.58x = 7,419.50 × 4,739.34
  4. Step 4: Simplify right side
    5,373.58x = 35,163,533.13
  5. Step 5: Solve for x
    x = 35,163,533.13/5,373.58
  6. Step 6: Final answer
    x = 6,543.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.