Home / 5,074.15-7,611.95-1,564.45

Finding the Fourth Proportional to 5,074.15, 7,611.95 and 1,564.45

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Solution

The fourth proportional to 5,074.15, 7,611.95 and 1,564.45 is: 2,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.15 : 7,611.95 = 1,564.45 : x
  2. Step 2: Convert to fraction form
    5,074.15/7,611.95 = 1,564.45/x
  3. Step 3: Cross multiply
    5,074.15x = 7,611.95 × 1,564.45
  4. Step 4: Simplify right side
    5,074.15x = 11,908,515.18
  5. Step 5: Solve for x
    x = 11,908,515.18/5,074.15
  6. Step 6: Final answer
    x = 2,346.90

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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.