Home / 5,048.40-7,572.54-1,761.48

Finding the Fourth Proportional to 5,048.40, 7,572.54 and 1,761.48

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Solution

The fourth proportional to 5,048.40, 7,572.54 and 1,761.48 is: 2,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.40 : 7,572.54 = 1,761.48 : x
  2. Step 2: Convert to fraction form
    5,048.40/7,572.54 = 1,761.48/x
  3. Step 3: Cross multiply
    5,048.40x = 7,572.54 × 1,761.48
  4. Step 4: Simplify right side
    5,048.40x = 13,338,877.76
  5. Step 5: Solve for x
    x = 13,338,877.76/5,048.40
  6. Step 6: Final answer
    x = 2,642.20

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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.