Home / 4,587.82-6,881.72-1,125.07

Finding the Fourth Proportional to 4,587.82, 6,881.72 and 1,125.07

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Solution

The fourth proportional to 4,587.82, 6,881.72 and 1,125.07 is: 1,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.82 : 6,881.72 = 1,125.07 : x
  2. Step 2: Convert to fraction form
    4,587.82/6,881.72 = 1,125.07/x
  3. Step 3: Cross multiply
    4,587.82x = 6,881.72 × 1,125.07
  4. Step 4: Simplify right side
    4,587.82x = 7,742,416.72
  5. Step 5: Solve for x
    x = 7,742,416.72/4,587.82
  6. Step 6: Final answer
    x = 1,687.60

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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.