Home / 5,048.47-7,572.96-1,538.20

Finding the Fourth Proportional to 5,048.47, 7,572.96 and 1,538.20

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Solution

The fourth proportional to 5,048.47, 7,572.96 and 1,538.20 is: 2,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.47 : 7,572.96 = 1,538.20 : x
  2. Step 2: Convert to fraction form
    5,048.47/7,572.96 = 1,538.20/x
  3. Step 3: Cross multiply
    5,048.47x = 7,572.96 × 1,538.20
  4. Step 4: Simplify right side
    5,048.47x = 11,648,708.14
  5. Step 5: Solve for x
    x = 11,648,708.14/5,048.47
  6. Step 6: Final answer
    x = 2,307.38

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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.