Home / 4,857.76-6,702.68-3,088.72

Finding the Fourth Proportional to 4,857.76, 6,702.68 and 3,088.72

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Solution

The fourth proportional to 4,857.76, 6,702.68 and 3,088.72 is: 4,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.76 : 6,702.68 = 3,088.72 : x
  2. Step 2: Convert to fraction form
    4,857.76/6,702.68 = 3,088.72/x
  3. Step 3: Cross multiply
    4,857.76x = 6,702.68 × 3,088.72
  4. Step 4: Simplify right side
    4,857.76x = 20,702,701.77
  5. Step 5: Solve for x
    x = 20,702,701.77/4,857.76
  6. Step 6: Final answer
    x = 4,261.78

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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.