Home / 2,956.34-4,423.23-1,782.02

Finding the Fourth Proportional to 2,956.34, 4,423.23 and 1,782.02

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Solution

The fourth proportional to 2,956.34, 4,423.23 and 1,782.02 is: 2,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.34 : 4,423.23 = 1,782.02 : x
  2. Step 2: Convert to fraction form
    2,956.34/4,423.23 = 1,782.02/x
  3. Step 3: Cross multiply
    2,956.34x = 4,423.23 × 1,782.02
  4. Step 4: Simplify right side
    2,956.34x = 7,882,284.32
  5. Step 5: Solve for x
    x = 7,882,284.32/2,956.34
  6. Step 6: Final answer
    x = 2,666.23

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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.