Home / 5,460.42-8,189.85-1,762.17

Finding the Fourth Proportional to 5,460.42, 8,189.85 and 1,762.17

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Solution

The fourth proportional to 5,460.42, 8,189.85 and 1,762.17 is: 2,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.42 : 8,189.85 = 1,762.17 : x
  2. Step 2: Convert to fraction form
    5,460.42/8,189.85 = 1,762.17/x
  3. Step 3: Cross multiply
    5,460.42x = 8,189.85 × 1,762.17
  4. Step 4: Simplify right side
    5,460.42x = 14,431,907.97
  5. Step 5: Solve for x
    x = 14,431,907.97/5,460.42
  6. Step 6: Final answer
    x = 2,643.00

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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.