Home / 5,587.67-7,711.76-3,603.99

Finding the Fourth Proportional to 5,587.67, 7,711.76 and 3,603.99

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Solution

The fourth proportional to 5,587.67, 7,711.76 and 3,603.99 is: 4,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.67 : 7,711.76 = 3,603.99 : x
  2. Step 2: Convert to fraction form
    5,587.67/7,711.76 = 3,603.99/x
  3. Step 3: Cross multiply
    5,587.67x = 7,711.76 × 3,603.99
  4. Step 4: Simplify right side
    5,587.67x = 27,793,123.58
  5. Step 5: Solve for x
    x = 27,793,123.58/5,587.67
  6. Step 6: Final answer
    x = 4,974.01

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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.