Home / 4,654.76-6,423.68-2,665.51

Finding the Fourth Proportional to 4,654.76, 6,423.68 and 2,665.51

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Solution

The fourth proportional to 4,654.76, 6,423.68 and 2,665.51 is: 3,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.76 : 6,423.68 = 2,665.51 : x
  2. Step 2: Convert to fraction form
    4,654.76/6,423.68 = 2,665.51/x
  3. Step 3: Cross multiply
    4,654.76x = 6,423.68 × 2,665.51
  4. Step 4: Simplify right side
    4,654.76x = 17,122,373.88
  5. Step 5: Solve for x
    x = 17,122,373.88/4,654.76
  6. Step 6: Final answer
    x = 3,678.47

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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.