Home / 4,699.60-7,049.41-1,925.78

Finding the Fourth Proportional to 4,699.60, 7,049.41 and 1,925.78

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Solution

The fourth proportional to 4,699.60, 7,049.41 and 1,925.78 is: 2,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.60 : 7,049.41 = 1,925.78 : x
  2. Step 2: Convert to fraction form
    4,699.60/7,049.41 = 1,925.78/x
  3. Step 3: Cross multiply
    4,699.60x = 7,049.41 × 1,925.78
  4. Step 4: Simplify right side
    4,699.60x = 13,575,603.39
  5. Step 5: Solve for x
    x = 13,575,603.39/4,699.60
  6. Step 6: Final answer
    x = 2,888.67

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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.