Home / 5,541.67-7,647.59-3,151.58

Finding the Fourth Proportional to 5,541.67, 7,647.59 and 3,151.58

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Solution

The fourth proportional to 5,541.67, 7,647.59 and 3,151.58 is: 4,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.67 : 7,647.59 = 3,151.58 : x
  2. Step 2: Convert to fraction form
    5,541.67/7,647.59 = 3,151.58/x
  3. Step 3: Cross multiply
    5,541.67x = 7,647.59 × 3,151.58
  4. Step 4: Simplify right side
    5,541.67x = 24,101,953.45
  5. Step 5: Solve for x
    x = 24,101,953.45/5,541.67
  6. Step 6: Final answer
    x = 4,349.22

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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.