Home / 5,475.76-7,557.70-3,208.58

Finding the Fourth Proportional to 5,475.76, 7,557.70 and 3,208.58

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Solution

The fourth proportional to 5,475.76, 7,557.70 and 3,208.58 is: 4,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.76 : 7,557.70 = 3,208.58 : x
  2. Step 2: Convert to fraction form
    5,475.76/7,557.70 = 3,208.58/x
  3. Step 3: Cross multiply
    5,475.76x = 7,557.70 × 3,208.58
  4. Step 4: Simplify right side
    5,475.76x = 24,249,485.07
  5. Step 5: Solve for x
    x = 24,249,485.07/5,475.76
  6. Step 6: Final answer
    x = 4,428.51

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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.