Home / 6,551.18-9,041.38-3,898.56

Finding the Fourth Proportional to 6,551.18, 9,041.38 and 3,898.56

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Solution

The fourth proportional to 6,551.18, 9,041.38 and 3,898.56 is: 5,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.18 : 9,041.38 = 3,898.56 : x
  2. Step 2: Convert to fraction form
    6,551.18/9,041.38 = 3,898.56/x
  3. Step 3: Cross multiply
    6,551.18x = 9,041.38 × 3,898.56
  4. Step 4: Simplify right side
    6,551.18x = 35,248,352.67
  5. Step 5: Solve for x
    x = 35,248,352.67/6,551.18
  6. Step 6: Final answer
    x = 5,380.46

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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.