Home / 4,951.74-7,390.40-4,281.67

Finding the Fourth Proportional to 4,951.74, 7,390.40 and 4,281.67

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Solution

The fourth proportional to 4,951.74, 7,390.40 and 4,281.67 is: 6,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.74 : 7,390.40 = 4,281.67 : x
  2. Step 2: Convert to fraction form
    4,951.74/7,390.40 = 4,281.67/x
  3. Step 3: Cross multiply
    4,951.74x = 7,390.40 × 4,281.67
  4. Step 4: Simplify right side
    4,951.74x = 31,643,253.97
  5. Step 5: Solve for x
    x = 31,643,253.97/4,951.74
  6. Step 6: Final answer
    x = 6,390.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.