Home / 5,549.60-8,326.80-4,315.16

Finding the Fourth Proportional to 5,549.60, 8,326.80 and 4,315.16

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Solution

The fourth proportional to 5,549.60, 8,326.80 and 4,315.16 is: 6,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.60 : 8,326.80 = 4,315.16 : x
  2. Step 2: Convert to fraction form
    5,549.60/8,326.80 = 4,315.16/x
  3. Step 3: Cross multiply
    5,549.60x = 8,326.80 × 4,315.16
  4. Step 4: Simplify right side
    5,549.60x = 35,931,474.29
  5. Step 5: Solve for x
    x = 35,931,474.29/5,549.60
  6. Step 6: Final answer
    x = 6,474.61

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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.