Home / 7,101.06-9,801.75-4,581.21

Finding the Fourth Proportional to 7,101.06, 9,801.75 and 4,581.21

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Solution

The fourth proportional to 7,101.06, 9,801.75 and 4,581.21 is: 6,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.06 : 9,801.75 = 4,581.21 : x
  2. Step 2: Convert to fraction form
    7,101.06/9,801.75 = 4,581.21/x
  3. Step 3: Cross multiply
    7,101.06x = 9,801.75 × 4,581.21
  4. Step 4: Simplify right side
    7,101.06x = 44,903,875.12
  5. Step 5: Solve for x
    x = 44,903,875.12/7,101.06
  6. Step 6: Final answer
    x = 6,323.55

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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.