Home / 4,970.75-6,861.08-3,314.75

Finding the Fourth Proportional to 4,970.75, 6,861.08 and 3,314.75

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Solution

The fourth proportional to 4,970.75, 6,861.08 and 3,314.75 is: 4,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.75 : 6,861.08 = 3,314.75 : x
  2. Step 2: Convert to fraction form
    4,970.75/6,861.08 = 3,314.75/x
  3. Step 3: Cross multiply
    4,970.75x = 6,861.08 × 3,314.75
  4. Step 4: Simplify right side
    4,970.75x = 22,742,764.93
  5. Step 5: Solve for x
    x = 22,742,764.93/4,970.75
  6. Step 6: Final answer
    x = 4,575.32

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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.