Home / 5,481.87-7,560.02-4,688.18

Finding the Fourth Proportional to 5,481.87, 7,560.02 and 4,688.18

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Solution

The fourth proportional to 5,481.87, 7,560.02 and 4,688.18 is: 6,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.87 : 7,560.02 = 4,688.18 : x
  2. Step 2: Convert to fraction form
    5,481.87/7,560.02 = 4,688.18/x
  3. Step 3: Cross multiply
    5,481.87x = 7,560.02 × 4,688.18
  4. Step 4: Simplify right side
    5,481.87x = 35,442,673.32
  5. Step 5: Solve for x
    x = 35,442,673.32/5,481.87
  6. Step 6: Final answer
    x = 6,465.43

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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.