Home / 5,055.48-7,572.96-2,859.57

Finding the Fourth Proportional to 5,055.48, 7,572.96 and 2,859.57

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Solution

The fourth proportional to 5,055.48, 7,572.96 and 2,859.57 is: 4,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.48 : 7,572.96 = 2,859.57 : x
  2. Step 2: Convert to fraction form
    5,055.48/7,572.96 = 2,859.57/x
  3. Step 3: Cross multiply
    5,055.48x = 7,572.96 × 2,859.57
  4. Step 4: Simplify right side
    5,055.48x = 21,655,409.23
  5. Step 5: Solve for x
    x = 21,655,409.23/5,055.48
  6. Step 6: Final answer
    x = 4,283.55

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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.