Home / 7,215.48-9,957.87-4,029.41

Finding the Fourth Proportional to 7,215.48, 9,957.87 and 4,029.41

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Solution

The fourth proportional to 7,215.48, 9,957.87 and 4,029.41 is: 5,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.48 : 9,957.87 = 4,029.41 : x
  2. Step 2: Convert to fraction form
    7,215.48/9,957.87 = 4,029.41/x
  3. Step 3: Cross multiply
    7,215.48x = 9,957.87 × 4,029.41
  4. Step 4: Simplify right side
    7,215.48x = 40,124,291.17
  5. Step 5: Solve for x
    x = 40,124,291.17/7,215.48
  6. Step 6: Final answer
    x = 5,560.86

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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.