Home / 5,428,259.35-7,490,467.68-3,136,370.83

Finding the Fourth Proportional to 5,428,259.35, 7,490,467.68 and 3,136,370.83

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Solution

The fourth proportional to 5,428,259.35, 7,490,467.68 and 3,136,370.83 is: 4,327,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,259.35 : 7,490,467.68 = 3,136,370.83 : x
  2. Step 2: Convert to fraction form
    5,428,259.35/7,490,467.68 = 3,136,370.83/x
  3. Step 3: Cross multiply
    5,428,259.35x = 7,490,467.68 × 3,136,370.83
  4. Step 4: Simplify right side
    5,428,259.35x = 23,492,884,334,609.77
  5. Step 5: Solve for x
    x = 23,492,884,334,609.77/5,428,259.35
  6. Step 6: Final answer
    x = 4,327,885.39

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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.