Home / 5,373.09-7,455.33-5,220

Finding the Fourth Proportional to 5,373.09, 7,455.33 and 5,220

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Solution

The fourth proportional to 5,373.09, 7,455.33 and 5,220 is: 7,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.09 : 7,455.33 = 5,220 : x
  2. Step 2: Convert to fraction form
    5,373.09/7,455.33 = 5,220/x
  3. Step 3: Cross multiply
    5,373.09x = 7,455.33 × 5,220
  4. Step 4: Simplify right side
    5,373.09x = 38,916,822.60
  5. Step 5: Solve for x
    x = 38,916,822.60/5,373.09
  6. Step 6: Final answer
    x = 7,242.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.