Home / 3,293.40-4,545.32-1,877.60

Finding the Fourth Proportional to 3,293.40, 4,545.32 and 1,877.60

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Solution

The fourth proportional to 3,293.40, 4,545.32 and 1,877.60 is: 2,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.40 : 4,545.32 = 1,877.60 : x
  2. Step 2: Convert to fraction form
    3,293.40/4,545.32 = 1,877.60/x
  3. Step 3: Cross multiply
    3,293.40x = 4,545.32 × 1,877.60
  4. Step 4: Simplify right side
    3,293.40x = 8,534,292.83
  5. Step 5: Solve for x
    x = 8,534,292.83/3,293.40
  6. Step 6: Final answer
    x = 2,591.33

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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.