Home / 4,748.42-7,122.65-1,461.49

Finding the Fourth Proportional to 4,748.42, 7,122.65 and 1,461.49

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Solution

The fourth proportional to 4,748.42, 7,122.65 and 1,461.49 is: 2,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.42 : 7,122.65 = 1,461.49 : x
  2. Step 2: Convert to fraction form
    4,748.42/7,122.65 = 1,461.49/x
  3. Step 3: Cross multiply
    4,748.42x = 7,122.65 × 1,461.49
  4. Step 4: Simplify right side
    4,748.42x = 10,409,656.63
  5. Step 5: Solve for x
    x = 10,409,656.63/4,748.42
  6. Step 6: Final answer
    x = 2,192.23

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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.