Home / 2,681.13-3,699.77-1,486.07

Finding the Fourth Proportional to 2,681.13, 3,699.77 and 1,486.07

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Solution

The fourth proportional to 2,681.13, 3,699.77 and 1,486.07 is: 2,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.13 : 3,699.77 = 1,486.07 : x
  2. Step 2: Convert to fraction form
    2,681.13/3,699.77 = 1,486.07/x
  3. Step 3: Cross multiply
    2,681.13x = 3,699.77 × 1,486.07
  4. Step 4: Simplify right side
    2,681.13x = 5,498,117.20
  5. Step 5: Solve for x
    x = 5,498,117.20/2,681.13
  6. Step 6: Final answer
    x = 2,050.67

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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.