Home / 6,875.93-10,315.19-3,127.99

Finding the Fourth Proportional to 6,875.93, 10,315.19 and 3,127.99

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Solution

The fourth proportional to 6,875.93, 10,315.19 and 3,127.99 is: 4,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.93 : 10,315.19 = 3,127.99 : x
  2. Step 2: Convert to fraction form
    6,875.93/10,315.19 = 3,127.99/x
  3. Step 3: Cross multiply
    6,875.93x = 10,315.19 × 3,127.99
  4. Step 4: Simplify right side
    6,875.93x = 32,265,769.74
  5. Step 5: Solve for x
    x = 32,265,769.74/6,875.93
  6. Step 6: Final answer
    x = 4,692.57

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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.