Home / 5,080,812.79-7,011,625.86-2,875,675.57

Finding the Fourth Proportional to 5,080,812.79, 7,011,625.86 and 2,875,675.57

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Solution

The fourth proportional to 5,080,812.79, 7,011,625.86 and 2,875,675.57 is: 3,968,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080,812.79 : 7,011,625.86 = 2,875,675.57 : x
  2. Step 2: Convert to fraction form
    5,080,812.79/7,011,625.86 = 2,875,675.57/x
  3. Step 3: Cross multiply
    5,080,812.79x = 7,011,625.86 × 2,875,675.57
  4. Step 4: Simplify right side
    5,080,812.79x = 20,163,161,156,524.11
  5. Step 5: Solve for x
    x = 20,163,161,156,524.11/5,080,812.79
  6. Step 6: Final answer
    x = 3,968,491.27

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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.