Home / 5,299.81-7,312.88-3,061.98

Finding the Fourth Proportional to 5,299.81, 7,312.88 and 3,061.98

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Solution

The fourth proportional to 5,299.81, 7,312.88 and 3,061.98 is: 4,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.81 : 7,312.88 = 3,061.98 : x
  2. Step 2: Convert to fraction form
    5,299.81/7,312.88 = 3,061.98/x
  3. Step 3: Cross multiply
    5,299.81x = 7,312.88 × 3,061.98
  4. Step 4: Simplify right side
    5,299.81x = 22,391,899.96
  5. Step 5: Solve for x
    x = 22,391,899.96/5,299.81
  6. Step 6: Final answer
    x = 4,225.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.