Home / 4,697.12-7,040.72-1,774.16

Finding the Fourth Proportional to 4,697.12, 7,040.72 and 1,774.16

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Solution

The fourth proportional to 4,697.12, 7,040.72 and 1,774.16 is: 2,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.12 : 7,040.72 = 1,774.16 : x
  2. Step 2: Convert to fraction form
    4,697.12/7,040.72 = 1,774.16/x
  3. Step 3: Cross multiply
    4,697.12x = 7,040.72 × 1,774.16
  4. Step 4: Simplify right side
    4,697.12x = 12,491,363.80
  5. Step 5: Solve for x
    x = 12,491,363.80/4,697.12
  6. Step 6: Final answer
    x = 2,659.37

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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.