Home / 5,302.30-7,316.53-3,148.51

Finding the Fourth Proportional to 5,302.30, 7,316.53 and 3,148.51

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Solution

The fourth proportional to 5,302.30, 7,316.53 and 3,148.51 is: 4,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.30 : 7,316.53 = 3,148.51 : x
  2. Step 2: Convert to fraction form
    5,302.30/7,316.53 = 3,148.51/x
  3. Step 3: Cross multiply
    5,302.30x = 7,316.53 × 3,148.51
  4. Step 4: Simplify right side
    5,302.30x = 23,036,141.71
  5. Step 5: Solve for x
    x = 23,036,141.71/5,302.30
  6. Step 6: Final answer
    x = 4,344.56

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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.