Home / 10,579.54-15,870.75-3,654.58

Finding the Fourth Proportional to 10,579.54, 15,870.75 and 3,654.58

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Solution

The fourth proportional to 10,579.54, 15,870.75 and 3,654.58 is: 5,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.54 : 15,870.75 = 3,654.58 : x
  2. Step 2: Convert to fraction form
    10,579.54/15,870.75 = 3,654.58/x
  3. Step 3: Cross multiply
    10,579.54x = 15,870.75 × 3,654.58
  4. Step 4: Simplify right side
    10,579.54x = 58,000,925.54
  5. Step 5: Solve for x
    x = 58,000,925.54/10,579.54
  6. Step 6: Final answer
    x = 5,482.37

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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.