Home / 2,972.54-4,459.80-1,875.62

Finding the Fourth Proportional to 2,972.54, 4,459.80 and 1,875.62

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Solution

The fourth proportional to 2,972.54, 4,459.80 and 1,875.62 is: 2,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.54 : 4,459.80 = 1,875.62 : x
  2. Step 2: Convert to fraction form
    2,972.54/4,459.80 = 1,875.62/x
  3. Step 3: Cross multiply
    2,972.54x = 4,459.80 × 1,875.62
  4. Step 4: Simplify right side
    2,972.54x = 8,364,890.08
  5. Step 5: Solve for x
    x = 8,364,890.08/2,972.54
  6. Step 6: Final answer
    x = 2,814.05

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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.