Home / 5,454.86-7,526.40-3,216.56

Finding the Fourth Proportional to 5,454.86, 7,526.40 and 3,216.56

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Solution

The fourth proportional to 5,454.86, 7,526.40 and 3,216.56 is: 4,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.86 : 7,526.40 = 3,216.56 : x
  2. Step 2: Convert to fraction form
    5,454.86/7,526.40 = 3,216.56/x
  3. Step 3: Cross multiply
    5,454.86x = 7,526.40 × 3,216.56
  4. Step 4: Simplify right side
    5,454.86x = 24,209,117.18
  5. Step 5: Solve for x
    x = 24,209,117.18/5,454.86
  6. Step 6: Final answer
    x = 4,438.08

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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.