Home / 5,775.12-8,663.88-2,312.34

Finding the Fourth Proportional to 5,775.12, 8,663.88 and 2,312.34

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Solution

The fourth proportional to 5,775.12, 8,663.88 and 2,312.34 is: 3,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.12 : 8,663.88 = 2,312.34 : x
  2. Step 2: Convert to fraction form
    5,775.12/8,663.88 = 2,312.34/x
  3. Step 3: Cross multiply
    5,775.12x = 8,663.88 × 2,312.34
  4. Step 4: Simplify right side
    5,775.12x = 20,033,836.28
  5. Step 5: Solve for x
    x = 20,033,836.28/5,775.12
  6. Step 6: Final answer
    x = 3,468.99

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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.