Home / 5,232.85-7,215.28-3,970.77

Finding the Fourth Proportional to 5,232.85, 7,215.28 and 3,970.77

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Solution

The fourth proportional to 5,232.85, 7,215.28 and 3,970.77 is: 5,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.85 : 7,215.28 = 3,970.77 : x
  2. Step 2: Convert to fraction form
    5,232.85/7,215.28 = 3,970.77/x
  3. Step 3: Cross multiply
    5,232.85x = 7,215.28 × 3,970.77
  4. Step 4: Simplify right side
    5,232.85x = 28,650,220.97
  5. Step 5: Solve for x
    x = 28,650,220.97/5,232.85
  6. Step 6: Final answer
    x = 5,475.07

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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.