Home / 7,319.03-10,105.02-5,637.47

Finding the Fourth Proportional to 7,319.03, 10,105.02 and 5,637.47

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Solution

The fourth proportional to 7,319.03, 10,105.02 and 5,637.47 is: 7,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.03 : 10,105.02 = 5,637.47 : x
  2. Step 2: Convert to fraction form
    7,319.03/10,105.02 = 5,637.47/x
  3. Step 3: Cross multiply
    7,319.03x = 10,105.02 × 5,637.47
  4. Step 4: Simplify right side
    7,319.03x = 56,966,696.57
  5. Step 5: Solve for x
    x = 56,966,696.57/7,319.03
  6. Step 6: Final answer
    x = 7,783.37

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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.