Home / 5,360.70-7,389.87-3,762.51

Finding the Fourth Proportional to 5,360.70, 7,389.87 and 3,762.51

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Solution

The fourth proportional to 5,360.70, 7,389.87 and 3,762.51 is: 5,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.70 : 7,389.87 = 3,762.51 : x
  2. Step 2: Convert to fraction form
    5,360.70/7,389.87 = 3,762.51/x
  3. Step 3: Cross multiply
    5,360.70x = 7,389.87 × 3,762.51
  4. Step 4: Simplify right side
    5,360.70x = 27,804,459.77
  5. Step 5: Solve for x
    x = 27,804,459.77/5,360.70
  6. Step 6: Final answer
    x = 5,186.72

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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.