Home / 4,405.42-6,607.58-1,118.54

Finding the Fourth Proportional to 4,405.42, 6,607.58 and 1,118.54

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Solution

The fourth proportional to 4,405.42, 6,607.58 and 1,118.54 is: 1,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.42 : 6,607.58 = 1,118.54 : x
  2. Step 2: Convert to fraction form
    4,405.42/6,607.58 = 1,118.54/x
  3. Step 3: Cross multiply
    4,405.42x = 6,607.58 × 1,118.54
  4. Step 4: Simplify right side
    4,405.42x = 7,390,853.46
  5. Step 5: Solve for x
    x = 7,390,853.46/4,405.42
  6. Step 6: Final answer
    x = 1,677.67

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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.