Home / 5,875.46-8,814.52-1,979.76

Finding the Fourth Proportional to 5,875.46, 8,814.52 and 1,979.76

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Solution

The fourth proportional to 5,875.46, 8,814.52 and 1,979.76 is: 2,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.46 : 8,814.52 = 1,979.76 : x
  2. Step 2: Convert to fraction form
    5,875.46/8,814.52 = 1,979.76/x
  3. Step 3: Cross multiply
    5,875.46x = 8,814.52 × 1,979.76
  4. Step 4: Simplify right side
    5,875.46x = 17,450,634.12
  5. Step 5: Solve for x
    x = 17,450,634.12/5,875.46
  6. Step 6: Final answer
    x = 2,970.09

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1.5x scale

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.