Home / 5,587.56-7,710.93-3,069.78

Finding the Fourth Proportional to 5,587.56, 7,710.93 and 3,069.78

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Solution

The fourth proportional to 5,587.56, 7,710.93 and 3,069.78 is: 4,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.56 : 7,710.93 = 3,069.78 : x
  2. Step 2: Convert to fraction form
    5,587.56/7,710.93 = 3,069.78/x
  3. Step 3: Cross multiply
    5,587.56x = 7,710.93 × 3,069.78
  4. Step 4: Simplify right side
    5,587.56x = 23,670,804.79
  5. Step 5: Solve for x
    x = 23,670,804.79/5,587.56
  6. Step 6: Final answer
    x = 4,236.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.