Home / 5,355.34-7,404.48-4,690.29

Finding the Fourth Proportional to 5,355.34, 7,404.48 and 4,690.29

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Solution

The fourth proportional to 5,355.34, 7,404.48 and 4,690.29 is: 6,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.34 : 7,404.48 = 4,690.29 : x
  2. Step 2: Convert to fraction form
    5,355.34/7,404.48 = 4,690.29/x
  3. Step 3: Cross multiply
    5,355.34x = 7,404.48 × 4,690.29
  4. Step 4: Simplify right side
    5,355.34x = 34,729,136.16
  5. Step 5: Solve for x
    x = 34,729,136.16/5,355.34
  6. Step 6: Final answer
    x = 6,484.95

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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.