Home / 6,077.99-8,386.44-3,718.46

Finding the Fourth Proportional to 6,077.99, 8,386.44 and 3,718.46

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Solution

The fourth proportional to 6,077.99, 8,386.44 and 3,718.46 is: 5,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.99 : 8,386.44 = 3,718.46 : x
  2. Step 2: Convert to fraction form
    6,077.99/8,386.44 = 3,718.46/x
  3. Step 3: Cross multiply
    6,077.99x = 8,386.44 × 3,718.46
  4. Step 4: Simplify right side
    6,077.99x = 31,184,641.68
  5. Step 5: Solve for x
    x = 31,184,641.68/6,077.99
  6. Step 6: Final answer
    x = 5,130.75

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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.