Home / 3,390.96-4,681.64-2,603.44

Finding the Fourth Proportional to 3,390.96, 4,681.64 and 2,603.44

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Solution

The fourth proportional to 3,390.96, 4,681.64 and 2,603.44 is: 3,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.96 : 4,681.64 = 2,603.44 : x
  2. Step 2: Convert to fraction form
    3,390.96/4,681.64 = 2,603.44/x
  3. Step 3: Cross multiply
    3,390.96x = 4,681.64 × 2,603.44
  4. Step 4: Simplify right side
    3,390.96x = 12,188,368.84
  5. Step 5: Solve for x
    x = 12,188,368.84/3,390.96
  6. Step 6: Final answer
    x = 3,594.37

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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.