Home / 5,670.12-7,824.72-3,152.16

Finding the Fourth Proportional to 5,670.12, 7,824.72 and 3,152.16

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Solution

The fourth proportional to 5,670.12, 7,824.72 and 3,152.16 is: 4,349.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.12 : 7,824.72 = 3,152.16 : x
  2. Step 2: Convert to fraction form
    5,670.12/7,824.72 = 3,152.16/x
  3. Step 3: Cross multiply
    5,670.12x = 7,824.72 × 3,152.16
  4. Step 4: Simplify right side
    5,670.12x = 24,664,769.40
  5. Step 5: Solve for x
    x = 24,664,769.40/5,670.12
  6. Step 6: Final answer
    x = 4,349.96

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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.