Home / 5,711.58-7,881.57-3,353.40

Finding the Fourth Proportional to 5,711.58, 7,881.57 and 3,353.40

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Solution

The fourth proportional to 5,711.58, 7,881.57 and 3,353.40 is: 4,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.58 : 7,881.57 = 3,353.40 : x
  2. Step 2: Convert to fraction form
    5,711.58/7,881.57 = 3,353.40/x
  3. Step 3: Cross multiply
    5,711.58x = 7,881.57 × 3,353.40
  4. Step 4: Simplify right side
    5,711.58x = 26,430,056.84
  5. Step 5: Solve for x
    x = 26,430,056.84/5,711.58
  6. Step 6: Final answer
    x = 4,627.45

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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.