Home / 5,316.50-7,918.59-5,038.94

Finding the Fourth Proportional to 5,316.50, 7,918.59 and 5,038.94

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Solution

The fourth proportional to 5,316.50, 7,918.59 and 5,038.94 is: 7,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.50 : 7,918.59 = 5,038.94 : x
  2. Step 2: Convert to fraction form
    5,316.50/7,918.59 = 5,038.94/x
  3. Step 3: Cross multiply
    5,316.50x = 7,918.59 × 5,038.94
  4. Step 4: Simplify right side
    5,316.50x = 39,901,299.89
  5. Step 5: Solve for x
    x = 39,901,299.89/5,316.50
  6. Step 6: Final answer
    x = 7,505.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.