Home / 5,420.19-7,478.56-3,062.33

Finding the Fourth Proportional to 5,420.19, 7,478.56 and 3,062.33

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Solution

The fourth proportional to 5,420.19, 7,478.56 and 3,062.33 is: 4,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.19 : 7,478.56 = 3,062.33 : x
  2. Step 2: Convert to fraction form
    5,420.19/7,478.56 = 3,062.33/x
  3. Step 3: Cross multiply
    5,420.19x = 7,478.56 × 3,062.33
  4. Step 4: Simplify right side
    5,420.19x = 22,901,818.64
  5. Step 5: Solve for x
    x = 22,901,818.64/5,420.19
  6. Step 6: Final answer
    x = 4,225.28

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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.