Home / 5,477.01-7,557.86-3,118.68

Finding the Fourth Proportional to 5,477.01, 7,557.86 and 3,118.68

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Solution

The fourth proportional to 5,477.01, 7,557.86 and 3,118.68 is: 4,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.01 : 7,557.86 = 3,118.68 : x
  2. Step 2: Convert to fraction form
    5,477.01/7,557.86 = 3,118.68/x
  3. Step 3: Cross multiply
    5,477.01x = 7,557.86 × 3,118.68
  4. Step 4: Simplify right side
    5,477.01x = 23,570,531.23
  5. Step 5: Solve for x
    x = 23,570,531.23/5,477.01
  6. Step 6: Final answer
    x = 4,303.54

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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.