Home / 7,577.03-10,456.29-4,220.14

Finding the Fourth Proportional to 7,577.03, 10,456.29 and 4,220.14

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Solution

The fourth proportional to 7,577.03, 10,456.29 and 4,220.14 is: 5,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.03 : 10,456.29 = 4,220.14 : x
  2. Step 2: Convert to fraction form
    7,577.03/10,456.29 = 4,220.14/x
  3. Step 3: Cross multiply
    7,577.03x = 10,456.29 × 4,220.14
  4. Step 4: Simplify right side
    7,577.03x = 44,126,955.40
  5. Step 5: Solve for x
    x = 44,126,955.40/7,577.03
  6. Step 6: Final answer
    x = 5,823.78

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1.5x scale

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.