Home / 4,808.14-7,215.43-1,688.16

Finding the Fourth Proportional to 4,808.14, 7,215.43 and 1,688.16

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Solution

The fourth proportional to 4,808.14, 7,215.43 and 1,688.16 is: 2,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.14 : 7,215.43 = 1,688.16 : x
  2. Step 2: Convert to fraction form
    4,808.14/7,215.43 = 1,688.16/x
  3. Step 3: Cross multiply
    4,808.14x = 7,215.43 × 1,688.16
  4. Step 4: Simplify right side
    4,808.14x = 12,180,800.31
  5. Step 5: Solve for x
    x = 12,180,800.31/4,808.14
  6. Step 6: Final answer
    x = 2,533.37

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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.