Home / 5,921.63-8,881.37-1,972.50

Finding the Fourth Proportional to 5,921.63, 8,881.37 and 1,972.50

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Solution

The fourth proportional to 5,921.63, 8,881.37 and 1,972.50 is: 2,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.63 : 8,881.37 = 1,972.50 : x
  2. Step 2: Convert to fraction form
    5,921.63/8,881.37 = 1,972.50/x
  3. Step 3: Cross multiply
    5,921.63x = 8,881.37 × 1,972.50
  4. Step 4: Simplify right side
    5,921.63x = 17,518,492.46
  5. Step 5: Solve for x
    x = 17,518,492.46/5,921.63
  6. Step 6: Final answer
    x = 2,958.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.