Home / 5,299.23-7,312.66-3,061.81

Finding the Fourth Proportional to 5,299.23, 7,312.66 and 3,061.81

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Solution

The fourth proportional to 5,299.23, 7,312.66 and 3,061.81 is: 4,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.23 : 7,312.66 = 3,061.81 : x
  2. Step 2: Convert to fraction form
    5,299.23/7,312.66 = 3,061.81/x
  3. Step 3: Cross multiply
    5,299.23x = 7,312.66 × 3,061.81
  4. Step 4: Simplify right side
    5,299.23x = 22,389,975.51
  5. Step 5: Solve for x
    x = 22,389,975.51/5,299.23
  6. Step 6: Final answer
    x = 4,225.14

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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.