Home / 6,717.94-10,075.77-1,788.10

Finding the Fourth Proportional to 6,717.94, 10,075.77 and 1,788.10

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Solution

The fourth proportional to 6,717.94, 10,075.77 and 1,788.10 is: 2,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.94 : 10,075.77 = 1,788.10 : x
  2. Step 2: Convert to fraction form
    6,717.94/10,075.77 = 1,788.10/x
  3. Step 3: Cross multiply
    6,717.94x = 10,075.77 × 1,788.10
  4. Step 4: Simplify right side
    6,717.94x = 18,016,484.34
  5. Step 5: Solve for x
    x = 18,016,484.34/6,717.94
  6. Step 6: Final answer
    x = 2,681.85

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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.