Home / 5,355.81-8,033.47-1,460.21

Finding the Fourth Proportional to 5,355.81, 8,033.47 and 1,460.21

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Solution

The fourth proportional to 5,355.81, 8,033.47 and 1,460.21 is: 2,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.81 : 8,033.47 = 1,460.21 : x
  2. Step 2: Convert to fraction form
    5,355.81/8,033.47 = 1,460.21/x
  3. Step 3: Cross multiply
    5,355.81x = 8,033.47 × 1,460.21
  4. Step 4: Simplify right side
    5,355.81x = 11,730,553.23
  5. Step 5: Solve for x
    x = 11,730,553.23/5,355.81
  6. Step 6: Final answer
    x = 2,190.25

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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.