Home / 5,370.31-7,415.18-3,483.21

Finding the Fourth Proportional to 5,370.31, 7,415.18 and 3,483.21

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Solution

The fourth proportional to 5,370.31, 7,415.18 and 3,483.21 is: 4,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.31 : 7,415.18 = 3,483.21 : x
  2. Step 2: Convert to fraction form
    5,370.31/7,415.18 = 3,483.21/x
  3. Step 3: Cross multiply
    5,370.31x = 7,415.18 × 3,483.21
  4. Step 4: Simplify right side
    5,370.31x = 25,828,629.13
  5. Step 5: Solve for x
    x = 25,828,629.13/5,370.31
  6. Step 6: Final answer
    x = 4,809.52

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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.