Home / 5,065.35-6,987.38-2,969.07

Finding the Fourth Proportional to 5,065.35, 6,987.38 and 2,969.07

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Solution

The fourth proportional to 5,065.35, 6,987.38 and 2,969.07 is: 4,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.35 : 6,987.38 = 2,969.07 : x
  2. Step 2: Convert to fraction form
    5,065.35/6,987.38 = 2,969.07/x
  3. Step 3: Cross multiply
    5,065.35x = 6,987.38 × 2,969.07
  4. Step 4: Simplify right side
    5,065.35x = 20,746,005.49
  5. Step 5: Solve for x
    x = 20,746,005.49/5,065.35
  6. Step 6: Final answer
    x = 4,095.67

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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.