Home / 7,261.51-10,019.35-4,747.30

Finding the Fourth Proportional to 7,261.51, 10,019.35 and 4,747.30

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Solution

The fourth proportional to 7,261.51, 10,019.35 and 4,747.30 is: 6,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.51 : 10,019.35 = 4,747.30 : x
  2. Step 2: Convert to fraction form
    7,261.51/10,019.35 = 4,747.30/x
  3. Step 3: Cross multiply
    7,261.51x = 10,019.35 × 4,747.30
  4. Step 4: Simplify right side
    7,261.51x = 47,564,860.26
  5. Step 5: Solve for x
    x = 47,564,860.26/7,261.51
  6. Step 6: Final answer
    x = 6,550.27

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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.