Home / 3,115.34-4,672.08-2,566.16

Finding the Fourth Proportional to 3,115.34, 4,672.08 and 2,566.16

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Solution

The fourth proportional to 3,115.34, 4,672.08 and 2,566.16 is: 3,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.34 : 4,672.08 = 2,566.16 : x
  2. Step 2: Convert to fraction form
    3,115.34/4,672.08 = 2,566.16/x
  3. Step 3: Cross multiply
    3,115.34x = 4,672.08 × 2,566.16
  4. Step 4: Simplify right side
    3,115.34x = 11,989,304.81
  5. Step 5: Solve for x
    x = 11,989,304.81/3,115.34
  6. Step 6: Final answer
    x = 3,848.47

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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.