Home / 6,281.52-8,664.66-4,515.52

Finding the Fourth Proportional to 6,281.52, 8,664.66 and 4,515.52

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Solution

The fourth proportional to 6,281.52, 8,664.66 and 4,515.52 is: 6,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.52 : 8,664.66 = 4,515.52 : x
  2. Step 2: Convert to fraction form
    6,281.52/8,664.66 = 4,515.52/x
  3. Step 3: Cross multiply
    6,281.52x = 8,664.66 × 4,515.52
  4. Step 4: Simplify right side
    6,281.52x = 39,125,445.52
  5. Step 5: Solve for x
    x = 39,125,445.52/6,281.52
  6. Step 6: Final answer
    x = 6,228.66

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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.