Home / 5,497.77-7,587.47-3,140.27

Finding the Fourth Proportional to 5,497.77, 7,587.47 and 3,140.27

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Solution

The fourth proportional to 5,497.77, 7,587.47 and 3,140.27 is: 4,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.77 : 7,587.47 = 3,140.27 : x
  2. Step 2: Convert to fraction form
    5,497.77/7,587.47 = 3,140.27/x
  3. Step 3: Cross multiply
    5,497.77x = 7,587.47 × 3,140.27
  4. Step 4: Simplify right side
    5,497.77x = 23,826,704.42
  5. Step 5: Solve for x
    x = 23,826,704.42/5,497.77
  6. Step 6: Final answer
    x = 4,333.89

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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.