Home / 4,748.75-7,122.92-1,461.70

Finding the Fourth Proportional to 4,748.75, 7,122.92 and 1,461.70

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Solution

The fourth proportional to 4,748.75, 7,122.92 and 1,461.70 is: 2,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.75 : 7,122.92 = 1,461.70 : x
  2. Step 2: Convert to fraction form
    4,748.75/7,122.92 = 1,461.70/x
  3. Step 3: Cross multiply
    4,748.75x = 7,122.92 × 1,461.70
  4. Step 4: Simplify right side
    4,748.75x = 10,411,547.05
  5. Step 5: Solve for x
    x = 10,411,547.05/4,748.75
  6. Step 6: Final answer
    x = 2,192.48

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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.