Home / 4,915.67-7,373.52-1,405.67

Finding the Fourth Proportional to 4,915.67, 7,373.52 and 1,405.67

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Solution

The fourth proportional to 4,915.67, 7,373.52 and 1,405.67 is: 2,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.67 : 7,373.52 = 1,405.67 : x
  2. Step 2: Convert to fraction form
    4,915.67/7,373.52 = 1,405.67/x
  3. Step 3: Cross multiply
    4,915.67x = 7,373.52 × 1,405.67
  4. Step 4: Simplify right side
    4,915.67x = 10,364,698.99
  5. Step 5: Solve for x
    x = 10,364,698.99/4,915.67
  6. Step 6: Final answer
    x = 2,108.50

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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.